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For any question on data and metadata, please contact: Eurostat user support |
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1.1. Contact organisation | Central Statistics Office, Ireland |
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1.2. Contact organisation unit | Directorate Business Statistics - Transport Unit |
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1.5. Contact mail address | Transport Section, Central Statistics Office, Skehard Road, Cork, Ireland |
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2.1. Metadata last certified | 05/06/2024 | ||
2.2. Metadata last posted | 05/06/2024 | ||
2.3. Metadata last update | 05/06/2024 |
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3.1. Data description | |||
Maritime transport data refer to gross weight of goods (in tonnes), passenger movements (in number of passengers) as well as for vessel traffic (in number of vessels and in gross tonnage of vessels). Data files are received quarterly from the responding ports and organisations responsible for maritime data. |
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3.2. Classification system | |||
The following classifications are applicable: Maritime Coastal area: the nomenclature is based on the Geonomenclature (the country nomenclature for the external trade statistics of the Community and statistics of trade between Member States, originally drawn up by the Council Regulation (EEC) N°1736/75) in force in the year to which the data refer (RAMON: https://showvoc.op.europa.eu/#/datasets/ESTAT_Geonomenclature_2021_%28GEONOM_2021%29/data). Ports: the codes used are the official UN/LOCODEs, when they exist. If a port does not have an official UN/LOCODE a provisional (numeric) code is attributed to the port. As soon as an official UN/LOCODE is attributed by the United Nations Economic Commission for Europe (UNECE) to the port at the request of the competent national authority, the provisional (numeric) code is replaced by the final official one. In exceptional cases (see for example one-port transport or special aggregation for minor ports) permanent numeric codes are attributed to special locations or activities. The code list of UN/LOCODE is available by country through the following link: http://www.unece.org/cefact/locode/service/location.html. According to the relevant directive, Eurostat draws up a list of ports, coded and classified according to countries and maritime coastal areas. The list of ports is included in implementing legal acts and as such is published in the Official Journal of the European Union (the "official" list). The most recent list of ports published in the Official Journal is found in Commission Decision (EU) 2018/1007 Nationality of registration of vessels: the nomenclature used is the Geo-nomenclature (the country nomenclature for the external trade statistics of the Community and statistics of trade between Member States, originally drawn up by the Council Regulation (EEC) N°1736/75) in force in the year to which the data refer (RAMON: https://showvoc.op.europa.eu/#/datasets/ESTAT_Geonomenclature_2021_%28GEONOM_2021%29/data). The type of ship classification is harmonised with an internationally agreed International Classification of Ship by Type (ICST). The type of cargo classification, available in Directive 2009/42/EC, has been established in conformity with the United Nation ECE Recommendation N°21. |
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3.3. Coverage - sector | |||
List of small ports that send in data annually Arklow, Castletownbere, Dundalk, Dun Laoighaire, Galway, Killybegs, Kilrush, Kinsale, New Ross, Sligo, Tralee, Wicklow and Youghal List of ports that send data quarterly Bantry, Cork, Drogheda, Dublin, Rosslare, Shannon Foynes, and Waterford |
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3.4. Statistical concepts and definitions | |||
Main concepts used in this domain are the following and for more information on the concepts and methodology, please consult the Reference Manual on Maritime Transport Statistics. Port -A place having facilities for merchant ships to moor and to load and/or unload cargo or to disembark and/or embark passengers to or from vessels, usually directly to a pier.
Bunkers and stores supplied to vessels shall be excluded from the scope. Seagoing vessel -Floating marine structure with one or more surface displacement hulls. In the context of the Directive, sea-going vessels are vessels other than those which navigate exclusively in inland waters or in waters within, or closely adjacent to, sheltered waters or areas where port regulations apply. Swap bodies are excluded. Although without internal volume flats used in maritime transport should be considered to be a special type of container and therefore are included here. For a fuller description, reference should be made to ISO 668 and 1496.The related term "container cargo" refers to containers, with or without cargo, which are lifted on or off the vessels which carry them by sea. Ro-Ro unit- This means wheeled equipment for carrying cargo, such as a truck, trailer or semi-trailer, which can be driven or towed onto a vessel. Port or ships' trailers are included in this definition. Classifications should follow United Nations ECE Recommendation No 21 'Codes for types of cargo, packages and packaging materials'. Live animals on the hoof are included. Vehicles being transported as cargo as opposed to a means of transport for freight are recorded in the separate headings of the Ro-Ro cargo classification, when they are rolled on or rolled off a vessel on their own wheels.
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3.5. Statistical unit | |||
The data used in the domain are collected at port level. |
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3.6. Statistical population | |||
Detailed data are provided for ports handling more than one million tonnes of goods or recording more than 200 000 passenger movements annually (Main ports). The other ports are required to provide summary data. However, detailed data may be included also for minor ports on a voluntary basis. |
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3.7. Reference area | |||
Maritime ports located in the Republic of Ireland |
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3.8. Coverage - Time | |||
Data available from 1995 |
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3.9. Base period | |||
Not applicable. |
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The units used depend on the variables collected within each data set and are: gross weight of goods expressed in thousands of tonnes; number of passengers in thousands, number of vessels.
TEUs: Twenty feet equivalent units, expressed in units or in thousands depending on the table. TEU calculation coefficients: |
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Quarters for datasets A1, A2, C1, C2, D1, F1 and F2. Reference period 2021 |
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6.1. Institutional Mandate - legal acts and other agreements | |||
National Level:
European Level:
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6.2. Institutional Mandate - data sharing | |||
Not applicable. |
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7.1. Confidentiality - policy | |||
National level:
European level: Regulation (EC) No 223/2009 on European statistics
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7.2. Confidentiality - data treatment | |||
National level: The confidentiality of all information provided to the CSO by individual respondents is guaranteed by law under the 1993 Statistics Act (information provided will be treated as strictly confidential in accordance with Section 33 of the Statistics Act 1993.
European level: Regulation (EC) No 223/2009 on European statistics (recital 24 and Article 20(4)) of 11 March 2009 (OJ L 87, p. 164), stipulates the need to establish common principles and guidelines ensuring the confidentiality of data used for the production of European statistics and the access to those confidential data with due account for technical developments and the requirements of users in a democratic society. Article 4 of Commission Decision 2001/423/EC mention that: "the highest level of detail in which data may be published or disseminated is the level of port to and from maritime coastal area. The Commission may however publish at more aggregate level if the quality and/or completeness of information are not appropriate in such detail." |
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8.1. Release calendar | |||
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8.2. Release calendar access | |||
The release calendar is publicly available on the website of the CSO Ireland. |
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8.3. Release policy - user access | |||
Data is available to all users free of charge. The quarterly and annual publications are published on the CSO website: Statistics of Port Traffic releases. More detailed results are available on the CSO PxStat: Maritime Statistics On the release date, maritime statistics are available to all users at the same time. |
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National: Quarterly national maritime transport statistics are published within 4 months after the reference period and annual maritime transport statistics within 5 months after the reference period.
Eurostat: Quarterly maritime transport statistics are published within 10 months after the reference period and annual maritime transport statistics within 16 months after the reference period. |
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10.1. Dissemination format - News release | |||
Maritime statistics are published quarterly and can be accessed on the CSO website. https://www.cso.ie/en/statistics/transport/statisticsofporttraffic/
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10.2. Dissemination format - Publications | |||
Maritime statistics are published quarterly and can be accessed on the CSO website. https://www.cso.ie/en/statistics/transport/statisticsofporttraffic/ |
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10.3. Dissemination format - online database | |||
Maritime statistics are published quarterly and can be accessed on the CSO website on PxStat, See data.cso.ie
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10.4. Dissemination format - microdata access | |||
Not applicable |
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10.5. Dissemination format - other | |||
Maritime statistical data is also published annually as a chapter within the Transport Omnibus |
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10.6. Documentation on methodology | |||
A Standard-documentation with Meta information (Definitions, comments, methods, quality) on Maritime Transport Statistics is available at national level. |
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10.7. Quality management - documentation | |||
Standard documentation with Meta information (Definitions, comments, methods, quality) on Sea Transport Statistics is available at national level - Maritime statistics methodology. |
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11.1. Quality assurance | |||
The system follows as far as possible the European Statistics Code of practice and Quality Assurance Framework of the European Statistical System, more precisely Principle 4: Commitment to Quality: Quality policy is defined and made available to the public. An organisational structure and tools are in place to deal with quality management. There are procedures in place to plan, monitor and improve the quality of the statistical processes.
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11.2. Quality management - assessment | |||
Data quality can be assessed as high. There is a set of validation rules and quality checks put in place, which detect various types of issues. In case of any issues detected, the data providers are contacted to provide explanations or/and revise the data accordingly. Checks for the consistency over times are prepared and reviewed. |
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12.1. Relevance - User Needs | |||
The key users of maritime transport statistics collected are: Department of Transport, Eurostat, Universities and research institutions and the general public. Users involved in the maritime industry (ports, Irish Maritime Development Office (IMDO) etc.) Data on ships and cargo, routes and trade, and passengers provides an important basis for decision making of politics, society and economy in the context of the development and promotion of transport projects. |
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12.2. Relevance - User Satisfaction | |||
There was no user survey specially carried out on maritime transport statistics data so far but direct feedback from main users like the Department of Transport universities etc. highlights a good level of satisfaction regarding data coverage and availability. |
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12.3. Completeness | |||
The collection of data on maritime transport statistics is carried out in accordance with the provisions of Directive 2009/42/EC. |
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13.1. Accuracy - overall | |||
Overall accuracy of the maritime transport statistics data is good. The processing with checks carried out before transmitting data to Eurostat provides a high accuracy of the data. |
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13.2. Sampling error | |||
Not applicable for maritime transport data collection. |
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13.3. Non-sampling error | |||
By working closely with the relevant ports, the various checks and the legal obligation to cooperate and report the data, misclassifications, etc. can be excluded. Moreover, the correctness of the data is of great importance for the ports. |
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14.1. Timeliness | |||
Quarterly data should be transmitted by Member States to Eurostat within five months of the end of the period of observation; annual data within eight months. The Commission (Eurostat) shall disseminate appropriate statistical data with a periodicity comparable to that of the results transmitted (Directive 2009/42/EC). |
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14.2. Punctuality | |||
All the statistics required by the provisions of the Directive 2009/42/EC are usually available 1 month before the deadline date. |
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15.1. Comparability - geographical | |||
There are no problems of comparability for maritime transport data collection with a very high data comparability across countries due to the common legal basis. Comparisons of the data regarding ships, cargo etc. declared by partner reporting ports (so-called mirror checks) by Eurostat allow further the detection of possible inconsistencies which can be corrected if possible. |
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15.2. Comparability - over time | |||
As from 1995 the statistics on maritime transport are comparable over time, as they are collected following fully the provisions of the legal act - Directive 2009/42/EC. Time series checks are regularly made to detect inconsistencies in the data. Time series breaks occur in case of port being closed temporarily or permanently or in case a port does not exceed the minimum threshold. |
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15.3. Coherence - cross domain | |||
Comparisons with other transport statistics are only partially and to a limited extent possible with regard to maritime, since data are currently not available or are not collected at the same level of detail, and also different methods and underlying objectives. When comparing transported freight with foreign trade statistics, it must be kept in mind that foreign trade statistics exchange goods and their value between individuals, while maritime statistics show the performance of the transport mode sea. |
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15.4. Coherence - internal | |||
Data collected and sent to Eurostat is consistent. |
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The burden and costs on the ports is not fully known but is reduced as much as is possible by the CSO. |
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17.1. Data revision - policy | |||
Maritime statistics are revised if required and this is following a revised report received from the ports. |
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17.2. Data revision - practice | |||
See 17.1 |
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18.1. Source data | |||
The data is sourced from the ports operating in the Republic of Ireland |
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18.2. Frequency of data collection | |||
Data is collected quarterly from the main ports and annually from the smaller ports. |
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18.3. Data collection | |||
Data is collected and processed as per Eurostat regulations. |
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18.4. Data validation | |||
Data checks are carried out and any errors that cannot be explained are queried with the relevant ports. |
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18.5. Data compilation | |||
Data is processed and compiled using various files from Eurostat with regard to partner ports etc. Data is sent to Eurostat via eDamis when finalised. |
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18.6. Adjustment | |||
Not applicable. |
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No comments |
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