National Statistical Institute
|Contact organisation unit|
"Short-term Business Statistics" Department
|Contact person function|
|Contact mail address|
2, P.Volov Str. Sofia 1038, Bulgaria
|Contact email address|
|Contact phone number|
+ 359 9857 190
|Contact fax number|
|Metadata last certified||01 August 2014|
|Metadata last posted||01 August 2014|
|Metadata last update||01 August 2014|
Data refers to the distance actually travelled by the railway vehicles in the corresponding year.
Included are all trainkilometers from all freight and passenger trains.
|Statistical concepts and definitions|
Glossary on Transport statistics - Geneva
Licensed Bulgarian railway undertakings.
Distance actually travelled by the freight and passenger trains.
|Unit of measure|
|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.
According to Annex A, Regulation 91/2003/EO
|Confidentiality - policy|
Data are not confidential.
|Confidentiality - data treatment|
Data are not confidential.
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.
|Release calendar access|
The calendar is available on the NSI website: https://www.nsi.bg/en/node/480
Data are published on the internet site of NSI and can be accessed from all users of statistical information.
|Frequency of dissemination|
|Accessibility and clarity|
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: https://www.nsi.bg/en/node/7196
|Documentation on methodology|
Reference Manual on Railway Transport Statistics issued by Eurostat.
Logical and arithmetical control of data.
Common rules by Eurostat for data quality assessment.
Different organizations and specialized in the sector enterprises.
Covers only the licensed railway undertakings.
|Accuracy and reliability|
|Timeliness and punctuality|
According to the set deadlines.
According to Regulation 91/2003/EO.
|Coherence and comparability|
|Comparability - geographical|
|Comparability - over time|
|Coherence - cross domain|
|Coherence - internal|
|Cost and burden|
Cost and Burden for the survey are defined according the National Statistical Program for each reference year.
|Data revision - policy|
Data revision is made when it is necessary.
|Data revision - practice|
According rules set by Eurostat
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.
|Frequency of data collection|
The survey is exhaustive.
By necessity validation checks of transmitted data series are made.
Data are aggregated before publishing and dissemination.