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For any question on data and metadata, please contact: Eurostat user support |
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1.1. Contact organisation | National Statistical Institute of Bulgaria |
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1.2. Contact organisation unit | Short-term Business Statistics and Transport Statistics Department |
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1.5. Contact mail address | National Statistical Institute |
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2.1. Metadata last certified | 23/03/2021 | ||
2.2. Metadata last posted | 20/02/2024 | ||
2.3. Metadata last update | 20/02/2024 |
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3.1. Data description | |||
Mandatory data collection at EU level is based on legal act, the Regulation EU 2018/643 and covers goods and passengers.
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3.2. Classification system | |||
Goods transported by rail are classified according to the 20 divisions of goods following the 'Standard Goods Classification for Transport Statistics_2007 with effect from reference year 2008. Before 2008, Standard Goods Classification for Transport statistics/Revised (NST/R) was used. The codes of regions used in the region-to-region statistics are indicated in Regulation (EC) 1059/2003 of the European Parliament and of the Council. Classification of dangerous goods according Annex I of Council Directive 96/49/EC and the regulation concerning the international carriage of dangerous goods by rail. |
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3.3. Coverage - sector | |||
Railway undertakings licensed for performing freight or passenger transport at Bulgarian territory. |
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3.4. Statistical concepts and definitions | |||
The main concepts used in rail domain are:
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3.5. Statistical unit | |||
Railway undertakings licensed for performing freight or passeneger carriages at Bulgarian territory. |
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3.6. Statistical population | |||
Data on freight and passenger transport are provided from the railway undertakings operating at national territory. Data on railway traffic are provided from infrastructure managers and railway undertakings. |
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3.7. Reference area | |||
Operational railway network on national territory. |
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3.8. Coverage - Time | |||
Data on passengers and goods are covered from 2000 onwards. |
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3.9. Base period | |||
Not applicable |
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The volume and performance of rail freight traffic are measured in tonnes (mass) and tonne-kilometres. Passenger transport by rail is measured in the number of passengers and in passenger-kilometres. Information on the number of train kilometres is also available. |
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Data are provided on quarterly and annual basis.
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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: Law on Statistics 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. |
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7.2. Confidentiality - data treatment | |||
Data are published aggregated only at national level |
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8.1. Release calendar | |||
Data are published according to the deadlines set in the National statistical program and the Release calendar of the National statistical institute |
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8.2. Release calendar access | |||
The calendar is available on the NSI website: https://www.nsi.bg/en/content/79/basic-page/release-calendar |
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8.3. Release policy - user access | |||
Main results of rail transport statistics are available free of charge to all users. More detailed data can be obtained by useres request. |
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Goods and passenger transport are compiled quarterly. Other parts of the statistics are compiled annually |
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10.1. Dissemination format - News release | |||
Press release on transport every quarter according to deadlines set in release calender. |
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10.2. Dissemination format - Publications | |||
Data on goods and passenegr railway trasnport are included in - Statistical Yearbook; Statistical Reference Book; „Bulgaria“ (brochure) |
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10.3. Dissemination format - online database | |||
Quarterly data on railway transport are available to all users of the NSI website - https://www.nsi.bg/en/content/6797/short-term-business-statistics Annual data on railway transport are available to all users of the NSI website - https://www.nsi.bg/en/content/8228/non-financial-enterprises All published annual and quertely data are available in the database system Infostad at the folloing website - https://infostat.nsi.bg/infostat/pages/external/login.jsf |
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10.4. Dissemination format - microdata access | |||
Not applicable |
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10.5. Dissemination format - other | |||
Not applicable. |
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10.6. Documentation on methodology | |||
Metadata information (definitions, methods, quality, comments) referring to rail transport statistics is available at national level in Bulgarian and English. |
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10.7. Quality management - documentation | |||
Data quality can be assessed as high. There is a set of validation rules put in place. In case of any issues detected, the data providers are contacted to provide explanations or/and revise the data accordingly. |
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11.1. Quality assurance | |||
Rail transport data are validated before being entered into the database and disseminated to the public. The validation rules are intended to assure:
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11.2. Quality management - assessment | |||
There are no serious issues with data quality |
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12.1. Relevance - User Needs | |||
Main users are state institutions as Ministry of transport, different organizations and specialized in the sector enterprises |
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12.2. Relevance - User Satisfaction | |||
Not applicable |
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12.3. Completeness | |||
Railway data are collected within the scope of the legal acts in force. |
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13.1. Accuracy - overall | |||
Overall accuracy of the rail transport statistics data is good |
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13.2. Sampling error | |||
Not applicable |
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13.3. Non-sampling error | |||
Not applicable |
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14.1. Timeliness | |||
All necessary data are collected and transmitted to Eurostat in accordance with Regulation (EU) No 2018/643 within the specified transmission deadlines |
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14.2. Punctuality | |||
All necessary data are collected and transmitted to Eurostat in accordance with Regulation (EU) No 2018/643 within the specified transmission deadlines |
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15.1. Comparability - geographical | |||
No geographical comparability problems. The data covers the whole country. |
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15.2. Comparability - over time | |||
Comparable time series are available from 2000. |
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15.3. Coherence - cross domain | |||
Not applicable |
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15.4. Coherence - internal | |||
Not applicable |
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Cost and Burden for the survey are defined according the National Statistical Program for each reference year. |
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17.1. Data revision - policy | |||
Data are revised on quartely or annual bases if any errors are detected or if there is revision of data send by the railway operators during the year. |
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17.2. Data revision - practice | |||
Data are revised on quartely or annual bases if any errors are detected or if there is revision of data send by the railway operators during the year. |
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18.1. Source data | |||
All railway undertakings licensed for performing freight and passeneger transport at Bulgarian territory. |
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18.2. Frequency of data collection | |||
Data are collected on monhtly, qurterly and annual basis. |
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18.3. Data collection | |||
Data are collected via Excel forms or individually designed datasets containing all necessary information to comply with the requirements of Regulation (EU) 2018/643. |
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18.4. Data validation | |||
The purpose of data validation is to ensure a correct statistics. In each report, validation consists of Internal consistency check. - data are checked for internal consistency, i.e. coherence between different related pieces of information within the questionnaire, e.g. with reported number of passengers, passenger-km should also be filled. |
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18.5. Data compilation | |||
Data are aggregated before publishing and dissemination. |
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18.6. Adjustment | |||
Not applicable. |
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No comments. |
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