Railway transport - Trainkilometers| Contact |
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| Contact organisation | National Statistical Institute |
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| Contact organisation unit | "Short-term Business Statistics and Transport Statistics" Department |
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| Contact name | Marin Toshev |
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| Contact person function | State expert |
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| Contact mail address | 2, P.Volov Str. Sofia 1038, Bulgaria |
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| Contact email address | mtoshev@nsi.bg |
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| Contact phone number | + 359 9857 190 |
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| Contact fax number | |
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| Metadata update |
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| Metadata last certified | 04 September 2023 |
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| Metadata last posted | 04 September 2023 |
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| Metadata last update | 04 September 2023 |
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| Statistical presentation |
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| Data description | Data refers to the distance actually travelled by the railway vehicles in the corresponding year. |
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| Classification system | Not applicable. |
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| Sector coverage | Included are all trainkilometers from all freight and passenger trains. |
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| Statistical concepts and definitions | Glossary on Transport statistics - Geneva |
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| Statistical unit | Licensed Bulgarian railway undertakings. |
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| Statistical population | Distance actually travelled by the freight and passenger trains. |
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| Reference area | Not applicable. |
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| Time coverage | Since 1999 |
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| Base period | Not applicable. |
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| Unit of measure |
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Trainkilometres |
| Reference period |
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Year |
| Institutional mandate |
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| Legal acts and other agreements | Regulation (EC) No 91/2003 of the European Parliament and of the Council of 16 December 2002 on rail transport statistics. |
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| Data sharing | According to Annex A, Regulation 91/2003/EO |
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| Confidentiality |
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| Confidentiality - policy | Data are not confidential. |
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| Confidentiality - data treatment | Data are not confidential. |
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| Release policy |
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| Release calendar | Data are published according to the deadlines set in the National statistical program and the Release Calendar presenting the results of the statistical surveys carried out by the National Statistical Institute. |
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| Release calendar access | The calendar is available on the NSI website: http://www.nsi.bg/en/node/480 |
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| User access | Data are published on the internet site of NSI and can be accessed from all users of statistical information. |
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| Frequency of dissemination |
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Annually |
| Accessibility and clarity |
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| News release | Not applicable. |
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| Publications | Not applicable. |
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| On-line database | Data on trainkilometers are available to all users of the NSI website under the heading Domain statistics - Transport and Communications - Other annual data -Transport - Railway transport: http://www.nsi.bg/en/node/7196 |
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| Micro-data access | Not applicable. |
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| Other | Not applicable. |
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| Documentation on methodology | Reference Manual on Railway Transport Statistics issued by Eurostat. |
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| Quality documentation | Not applicable. |
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| Quality management |
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| Quality assurance | Logical and arithmetical control of data. |
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| Quality assessment | Common rules by Eurostat for data quality assessment. |
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| Relevance |
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| User needs | Different organizations and specialized in the sector enterprises. |
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| User satisfaction | Not applicable. |
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| Completeness | Covers only the licensed railway undertakings. |
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| Accuracy and reliability |
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| Overall accuracy | Not applicable. |
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| Sampling error | Not applicable. |
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| Non-sampling error | Not applicable. |
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| Timeliness and punctuality |
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| Timeliness | According to the set deadlines. |
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| Punctuality | According to Regulation 91/2003/EO. |
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| Coherence and comparability |
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| Comparability - geographical | Not applicable. |
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| Comparability - over time | Not applicable. |
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| Coherence - cross domain | Not applicable. |
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| Coherence - internal | Not applicable. |
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| Cost and burden |
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Cost and Burden for the survey are defined according the National Statistical Program for each reference year. |
| Data revision |
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| Data revision - policy | Data revision is made when it is necessary. |
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| Data revision - practice | According rules set by Eurostat |
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| Statistical processing |
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| Source data | The information is from survey of enterprises with main activity according to NACE BG 2008 - Class 49.10 and 49.20 Freight and passenger rail transport. |
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| Frequency of data collection | Annual |
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| Data collection | The survey is exhaustive. |
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| Data validation | By necessity validation checks of transmitted data series are made. |
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| Data compilation | Data are aggregated before publishing and dissemination. |
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| Adjustment | Not applicable. |
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| Comment |
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