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For any question on data and metadata, please contact: Eurostat user support |
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1.1. Contact organisation | Office for National Statistics |
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1.2. Contact organisation unit | Office for National Statistics Environment Branch |
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1.5. Contact mail address | Office for National Statistics Environment Branch Government Buildings Cardiff Road Newport South Wales NP10 8xG |
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2.1. Metadata last certified | 16/12/2020 | ||
2.2. Metadata last posted | 16/12/2020 | ||
2.3. Metadata last update | 16/12/2020 |
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3.1. Data description | ||||||||||||||||||||||||||||
Economy-wide material flow accounts (EW-MFA) provide an aggregate overview, in thousand tonnes per year, of the material flows into and out of an economy. EW-MFA cover solid, gaseous, and liquid materials, except for bulk flows of water and air. Like the system of national accounts, EW-MFA constitute a multi-purpose information system. The detailed material flows provide a rich empirical database for numerous analytical purposes. Further, EW-MFA are used to derive various material flow indicators. The National Statistical Institute (NSI) sent to Eurostat on yearly basis the EW-MFA. The accounts comprise the following reporting tables:
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3.2. Classification system | ||||||||||||||||||||||||||||
EW-MFA record physical flows of materials broken down by type of flow and by type of material. The type of flow dimension corresponds to the EW-MFA questionnaire reporting tables and derived indicators, namely:
The breakdown by type of material employs a classification of materials. This EW-MFA classification of materials is hierarchical with main material flow categories (1-digit level). Each main category is further broken down, maximal down to 4-digit-level: 1-digit: material category; 2-digit: material class; 3-digit: material group; 4-digit: material sub-group. |
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3.3. Coverage - sector | ||||||||||||||||||||||||||||
The data refer to national economies as defined in the system of national accounts. |
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3.4. Statistical concepts and definitions | ||||||||||||||||||||||||||||
Conceptually economy-wide material flow accounts (EW-MFA) belong to the international system of environmental economic accounting (SEEA-Central Framework). Furthermore, EW-MFA is one of several physical modules of Eurostat's programme on European environmental economic accounts. It is covered by Regulation (EU) No. 691/2011 on European environmental economic accounts. EW-MFA are closely related to concepts and definitions of national accounts. Most notably they follow the residence principle, i.e. they record material flows related to resident unit's activities, regardless where those occur geographically. Further methodological guidelines are provided in various publications by Eurostat (see Eurostat website > Environment > Methodology, heading: 'Material flows and resource productivity'). For more detailed information please see also 3.1. |
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3.5. Statistical unit | ||||||||||||||||||||||||||||
Statistical units change according to the different data sources (e.g. agriculture, forestry and fishery statistics, production statistics, geological surveys, energy statistics, foreign trade statistics etc.) which EW-MFA are based on. |
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3.6. Statistical population | ||||||||||||||||||||||||||||
EW-MFA refer to the entire national economy of the reporting country (see also 3.3 'Coverage - sector')). EW-MFA include all materials (excluding water and air) crossing the system boundary (between the environment and the economy) on the input side or on the output side. The economy is demarcated by the conventions of the national accounting system (resident units). Material inputs to the economy cover extractions of natural resources (excluding water and air) from the natural environment and imports of material products (goods) from the rest of the world economy (ROW). Material outputs are disposals of materials to the natural environment and exports of material products and waste to the ROW. Information on natural resources extracted and traded products is provided by different statistical units. |
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3.7. Reference area | ||||||||||||||||||||||||||||
The Material flows data submitted are at a United Kingdom (UK) level. They are not presently available at further levels of disaggregation. |
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3.8. Coverage - Time | ||||||||||||||||||||||||||||
Please see the table in 3.8.1. |
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3.8.1. Coverage – Time: by questionnaire table | ||||||||||||||||||||||||||||
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3.9. Base period | ||||||||||||||||||||||||||||
Not applicable because EW-MFA are not reported as indices. |
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The unit of measure is thousand tonnes. |
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The data refer to the calendar years. |
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6.1. Institutional Mandate - legal acts and other agreements | |||
Economy-wide material flow accounts (EW-MFA) are legally covered by Regulation (EU) 691/2011 on European Environmental Economic Accounts. |
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6.2. Institutional Mandate - data sharing | |||
Not applicable in national level this information is required at European level only. |
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7.1. Confidentiality - policy | |||
The United Kingdom Statistics Authority’s code of practice specifies the UK's general approach to ensuring statistical confidentiality. There are no specific confidentiality considerations or policy relating to this dataset. |
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7.2. Confidentiality - data treatment | |||
There are some estimates within the dataset which are confidential; these have been flagged appropriately within the dataset. Please see tab 7.1 for Office of National Statistics confidentiality policy. |
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8.1. Release calendar | |||
The UK material flow accounts for 2018 were published on 2nd April 2020, alongside two estimates of the UK's material footprint: https://www.ons.gov.uk/economy/environmentalaccounts/datasets/ukenvironmentalaccountsmaterialflowsaccountunitedkingdom It is anticipated that the 2019 estimates will be published in spring 2021, in a similar format. To increase user accessibility, the estimates were are also published annually alongside the UK Environmental Accounts publicatiion. The latest publication - 2020 UK Environmental Accounts - was on 3rd June 2020 and contained data up to 2018 (see link: https://www.ons.gov.uk/releases/ukenvironmentalaccounts2020) |
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8.2. Release calendar access | |||
All ONS scheduled releases are available on the ONS release calendar - https://www.ons.gov.uk/releasecalendar |
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8.3. Release policy - user access | |||
All ONS scheduled releases are available on the ONS release calendar - https://www.ons.gov.uk/releasecalendar |
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The Environmental Accounts Branch at ONS release material flow data alongside their Environmental Accounts publication on an annual basis. This is usually in June or July each year. The latest Environmental Accounts publication is available here: https://www.ons.gov.uk/economy/environmentalaccounts/bulletins/ukenvironmentalaccounts/2020 |
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10.1. Dissemination format - News release | |||
None |
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10.2. Dissemination format - Publications | |||
Data will be made available on Eurostat’s web site as soon as possible after checks. The Environmental Accounts Branch at ONS publish data on material flow accounts annually, usually around April, which is slightly ealier than the release of our Environmental Accounts publication: https://www.ons.gov.uk/economy/environmentalaccounts/bulletins/ukenvironmentalaccounts/2020 |
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10.3. Dissemination format - online database | |||
The latest UK material flows datatset available is here: https://www.ons.gov.uk/economy/environmentalaccounts/articles/materialfootprintintheuk/2017/relateddata |
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10.3.1. Data tables - consultations | |||
Will be calculated and provided by EUROSTAT. |
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10.4. Dissemination format - microdata access | |||
ONS guidelines on Freedom of Information requests can be found here: https://www.ons.gov.uk/aboutus/transparencyandgovernance/freedomofinformationfoi/makingarequest ONS guidelines on requesting data can be found here: https://www.ons.gov.uk/aboutus/whatwedo/statistics/requestingstatistics ONS guidelines on secure access to data for researchers can be found here: https://www.ons.gov.uk/aboutus/whatwedo/statistics/requestingstatistics/approvedresearcherscheme |
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10.5. Dissemination format - other | |||
Not applicable |
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10.5.1. Metadata - consultations | |||
Will be calculated and provided by EUROSTAT. |
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10.6. Documentation on methodology | |||
The Quality and Methodology information report is available on the ONS website (updated September 2019). |
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10.6.1. Metadata completeness - rate | |||
Will be calculated and provided by EUROSTAT. |
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10.7. Quality management - documentation | |||
Please see tab 10.6. |
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11.1. Quality assurance | |||
During the compilation process numerous quality checks are undertaken, including checks against the source data, internal consistency checks, sense checks, comparisons with previous submissions. Any unusual movements identified are assessed investigated and assessed against expected movements from what is known about the source data. Quality assurance checks are also completed to ensure accuracy when publishing the results. ONS also utilise the validation checks built into the Eurostat compilation tool to help ensure quality of the data submitted. |
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11.2. Quality management - assessment | |||
See 11.1 |
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Economy-wide material flow accounts (EW-MFA) provide a rich empirical database for numerous purposes. At international level the European Commission uses EW-MFA and derived indicators for developing and monitoring policies in domains such as circular economy, sustainable development, resource efficiency, sustainable consumption and production, and greening of other policy areas. The derived EW-MFA indicator domestic material consumption (DMC) is a headline indicator for the Europe 2020 resource efficiency initiative. |
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12.1. Relevance - User Needs | |||
In the UK, particularly from the Department for Food and Rural Affairs (Defra), there is increasing focus on material flows and derived series. In 2019, ONS published updated raw material consumption estimates for the UK, with estimates also being used in the measurement of the Sustainable Development Goals (8.4 and 12.2)
This article was updated in April 2020, covering material footprint (data up to 2017) using two different methods (the raw material consumption estimates and a UK method developed for the Department for Environment and Rural Affairs by the University of Leeds) and updated material flow accounts for 2018.: https://www.ons.gov.uk/economy/environmentalaccounts/articles/materialfootprintintheuk/latest |
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12.2. Relevance - User Satisfaction | |||
The ONS Environmental Accounts team consults with key government stakeholders (ONS, BEIS, Defra and devolved governments) on user satisfaction through formal quarterly stakeholder meetings and through continual informal contact and collaboration. The ONS as a whole formally assess user satisfaction through a variety of mediums, please see the below link for more information: |
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12.3. Completeness | |||
Data for 2019: Actual estimates for 2019 are only partially available for 2019 (for some of MF1 and MF4), mostly on a provisional basis. Based on the correspondence following the last submission (where Eurostat populated the 2018 data with their own estimates), we have assumed that you would prefer us to provide estimates, however provisional. 2019 has therefore been fully populated, albeit largely based on forecasting or carrying forward estimates from previous years. Appropriate footnotes are included to identify these cases. Some data are not available and so have been estimated - see 13.1 for details |
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12.3.1. Data completeness - rate | |||
Will be calculated and provided by EUROSTAT. |
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13.1. Accuracy - overall | |||
Please use Annex 3 for providing an assessment of the overall quality of the reported data. Annexes: EW-MFA_Annex_3_UK |
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13.2. Sampling error | |||
Not applicable because data are not based on a sample survey. |
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13.2.1. Sampling error - indicators | |||
Not applicable because data are not based on a sample survey. |
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13.3. Non-sampling error | |||
Not applicable. |
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13.3.1. Coverage error | |||
Not applicable. |
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13.3.1.1. Over-coverage - rate | |||
Not applicable. |
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13.3.1.2. Common units - proportion | |||
Not applicable. |
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13.3.2. Measurement error | |||
Not applicable. |
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13.3.3. Non response error | |||
Not applicable. |
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13.3.3.1. Unit non-response - rate | |||
Not applicable. |
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13.3.3.2. Item non-response - rate | |||
Not applicable. |
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13.3.4. Processing error | |||
Not applicable. |
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13.3.5. Model assumption error | |||
Not applicable. |
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14.1. Timeliness | |||
EW-MFA data up to 2018 were published in the UK Environmental Accounts on 2nd April 2020. It is likely the data to 2019 submitted in this return will be published in a similar fashion in 2021. |
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14.1.1. Time lag - first result | |||
Not applicable. |
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14.1.2. Time lag - final result | |||
Not applicable. |
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14.2. Punctuality | |||
The UK transmitted the data to Eurostat on 17/12/2020. |
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14.2.1. Punctuality - delivery and publication | |||
Will be calculated and provided by EUROSTAT. |
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15.1. Comparability - geographical | ||||||||
Data on EW-MFA are compiled according to harmonised guidelines provided by Eurostat and hence comparable across European countries reporting EW-MFA data to Eurostat. |
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15.1.1. Asymmetry for mirror flow statistics - coefficient | ||||||||
Not applicable because physical imports and exports as recorded in EW-MFA are not specified by origin and/or destination. |
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15.2. Comparability - over time | ||||||||
Please see the table in 15.2.1.1. |
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15.2.1. Length of comparable time series | ||||||||
Will be calculated and provided by EUROSTAT. |
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15.2.1.1. Comparability - over time detailed | ||||||||
Please use below table for explaining b)-flags (breaks in time series):
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15.3. Coherence - cross domain | ||||||||
Please see section 15 |
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15.3.1. Coherence - sub annual and annual statistics | ||||||||
Not applicable; reported EW-MFA data are only annual. |
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15.3.2. Coherence - National Accounts | ||||||||
The UK Environmental Accounts are a satellite account of the main national accounts. As such, estimates of the material flow published in the UK Environmental Accounts are consistent with those used in the national accounts. |
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15.4. Coherence - internal | ||||||||
Not applicable |
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The MFA accounts take about 2 months full time equivalent to compile. |
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17.1. Data revision - policy | |||
The overall ONS revisions policy can be found here: https://www.ons.gov.uk/methodology/methodologytopicsandstatisticalconcepts/revisions/guidetostatisticalrevisions |
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17.2. Data revision - practice | |||
When compiling the material flow accounts the latest data is used where available. Revisions tend to be small. Revisions in the 2020 EW-MFA questionnaire: - 2015-2017 - Table A - MF.1.1.4 - Food and Agriculture Organization where the pulses data is obtained have revised their outputs. - 2014-2017 - Table A - MF.1.4.1 and MF.1.4.2 - Department for Environment, Food and Rural Affairs update methodology for fish data, resulted in new figures. - 2015 - Table A - MF.3.2 - British Geological Survey have used estimates for limestone and dolomite this is based on assumptions from previous years trends and expert knowledge. However they feel the figures can no longer rely on those assumptions so have revised them. But as they aggregate a number of roack materials, a few figures have been updated. - 2015-2017 - Table A - MF.3.3 - British Geological Survey have used estimates for limestone and dolomite this is based on assumptions from previous years trends and expert knowledge. However they feel the figures can no longer rely on those assumptions so have revised them. But as they aggregate a number of roack materials, a few figures have been updated. - 2016-2017 - Table A - MF.3.5 - British Geological Survey have used estimates for limestone and dolomite this is based on assumptions from previous years trends and expert knowledge. However they feel the figures can no longer rely on those assumptions so have revised them. But as they aggregate a number of roack materials, a few figures have been updated. - 2011-2013, 2015 and 2017 - Table A - MF.3.6 - British Geological Survey have used estimates for limestone and dolomite this is based on assumptions from previous years trends and expert knowledge. However they feel the figures can no longer rely on those assumptions so have revised them. But as they aggregate a number of roack materials, a few figures have been updated. |
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17.2.1. Data revision - average size | |||
Will be calculated and provided by EUROSTAT. |
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18.1. Source data | |||
Data sources used to produce economy-wide material flow accounts are described in the sub-concepts 18.1.1 (and Annex) and 18.1.2. |
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18.1.1. Source data - Table A, B, D, F and G | |||
Please use Annex 1 to report the detailed data sources for questionnaire tables A, B, D, F and G. Annexes: EW-MFA_Annex_1 |
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18.1.2. Source data - Table I | |||
No data provided |
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18.2. Frequency of data collection | |||
All data collected annually |
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18.3. Data collection | |||
Data is collected by contacting the various data holders and obtaining the data. The methods could include data transfers, downloading information from relevent websites or collecting data from publications. |
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18.4. Data validation | |||
Data validation includes comparing the statistics with that submitted in previous cycles and comparing the data with other available statistics . |
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18.5. Data compilation | |||
See 18.1 to 18.6 for details |
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18.5.1. Imputation - rate | |||
Not applicable. |
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18.5.2. Estimation approaches for specific items | |||
Please use Annex 2 to describe estimation approaches for specific items. Annexes: EW-MFA_Annex_2 |
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18.5.3. Adjustment used of correspondence table for Tables B and D | |||
Not applicable |
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18.5.4. Adjustment used of conversion factors for Tables B and D | |||
Not applicable |
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18.5.5. Fuel trade, residence adjustment | |||
Not applicable |
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18.5.6. Significant problems | |||
For categories that could not be derived directly from statistical sources, estimation approaches were applied: Data for non-metallic minerals and metal ores are provided by BGS and are estimated based on historical data from the Annual Minerals Raised Inquiry (AMRI) and industry knowledge. A.1.2.1.1 Straw and A.1.2.1.2 Other crop residues were estimated using the Crop residues v1 tool in the EW-MFA questionnaire. A.1.2.2.2 Grazed biomass was estimated using the Grazed biomass v1 tool in the EW-MFA questionnaire. A.1.3.1 Timber and A.1.3.2 Wood fuel and other extraction were estimated using the ratio between over bark/under bark (1992 to 2006 are based on the 2007 ratio) and applying conversion factors for coniferous and non-coniferous wood from the EW-MFA compilation manual for all years. All other items were derived directly from statistical sources. |
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18.6. Adjustment | |||
Not applicable; i.e. in EW-MFA no time series adjustment necessary. |
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18.6.1. Seasonal adjustment | |||
Not applicable. |
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Homepage for material flow accounts |