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Production in services (sts_os_p)

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National Reference Metadata in Euro SDMX Metadata Structure (ESMS)

Compiling agency: Statistical Office of the Slovak Republic.

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For calculation of index of service production (ISP) the following source data are used:

  • turnover in the given year
  • turnover in the base year
  • value added in the base year for calculation of weights
  • price indices in the given month to the base year.

All data are index data calculated from source data in the following forms: unadjusted, calendar adjusted, calendar and seasonally adjusted.

15 June 2025

Index of services production provides information on changes over time in the volume of output of the service sector. It is defined as the ratio of the volume output produced by the services industries in the given time period to the volume produced by the same industries in a specified base period. As the base period, year 2021 is used.

The indicator "turnover" is used in evaluation of the service sector output. It needs to be deflated in the compilation process using the set of price indices. The source of turnover data are four monthly statistical surveys (in transport, in information and communication, in trade, catering and accommodation and in selected market services).Turnover comprises the totals invoiced by the observation unit during the reference period, and this corresponds to market sales of goods or services supplied to third parties. It includes all duties and taxes on the goods or services invoiced by the unit with exception of VAT and other deductible taxes directly linked to turnover. Excise duty is excluded from the variable as well.

Price deflators are calculated from the results of:

  • quarterly surveys on prices in transport, information and communication services and in selected market services
  • survey on consumer prices - indices are calculated as a weighted average of indices of selected items in the consumer basket.

Missing monthly price indices are extracted from quarterly indices using linear interpolation.

Calculation of weights for the basic year was made using the indicator “value-added at factor costs”, which was obtained from the SBS survey and aggregated in the same way as turnover data.

Calculation of the index of service production for NACE rev. 2 is realised using the Laspeyres type of index.

The kind of activity unit as the observation unit. 

Statistical Business Register is the frame for identifying active units for the population. The statistical population for the calculation of the ISP includes Nb. of active KAU

 Retail trade

 1 508

 Trade; Accommodation and food service activities

 3 737

 Transportation and storage

 1 470

 Information and communication

 1 360

All regions of the Slovak Republic are covered. The reporting units are residents at the territory of the Slovak Republic and provide data on their domestic activities and activities outside the country, if the activities carried out are of a subject of the tax and other duties in relation to Slovak legislation.

Month.

Overall accuracy is considered very good. SOSR makes great efforts to prevent the occurrence of errors in the data and performs data verification to detect the errors. Most errors are directly consulted at regional offices with the reporting units.

Indices are transmitted to Eurostat. 

Non-response is treated by the imputation of data from the previous month´s survey, up to a maximum of three months.

The results of small enterprises are grossed up using Horwitz-Thomson estimator with regard to the activity of the enterprise.The initial weights are modified according to the non-response rate of non-active units. Estimates of turnover for self-employed persons are made on the base of administrative sources.

Index of services production is calculated as the ratio of the volume output produced by the services industries in the given time period to the volume produced by the same industries in a specified base period. As the base period, year 2015 was used. The indicator "turnover" is used in evaluation of the service sector output. It is deflated in the compilation process using the set of price indices obtained from the Price statistics department. Price indices are calculated from the results of the survey on market prices and of the consumer price survey, when indices are calculated as weighted average of indices of the selected items in the consumer basket.

Calculation of weights for the basic year was made using the indicator “value-added at factor costs”, which was obtained from the SBS survey and aggregated in the same way as turnover data. Calculation of the index of service production for NACE rev. 2 aggregates at section level, division level and for aggregates G to N, H to N (with exception of K, M70.1, M72, M75) and M69 + M70.2 is realised using the Laspeyres type of index.

Source data on turnover are the following:

1.) Monthly statistical surveys in the respective field (trade, catering and accommodation, selected market services, transportation and storage, information and communication):

Reporting units with principal activity in Divisions 45, 46, 55, 56, 49-53, 58-63, 68-71, 73, 74, 77-82 of SK NACE Rev. 2. with 20 and more employees registered in the Statistical business register and enterprises in the Statistical Business Register with less than 20 employees that have an annual turnover in excess of 5 Mill. EUR. Stratified random survey of small enterprises with less than 20 employees based on the activity, employment (0-9, 10-19, 20+ employees).

There are estimates on data for small enterprises from the monthly sample survey  and on the self-employed persons based on data from the business register and from  data obtained from the social insurance company

 

Source data on price deflators are from the following statistical surveys:

Surveys on market service prices - cover H49.20, H49.41-49.42, H49.50, H50.30,50.40, H52.10, H52.21-52.24, H52.29, H53.10, H53.20, J61.1, J61.2, J62.01-62.03, J62.09, J63.1, J63.9, L86.1-86.3, M69.1, M69.2, M71.1, M71.2, M73.1, M73.2, M74.3, M74.9, N77.1-77.4, N78.1-78.3, N80.1-80.3, N81.1-81.3, N82.1-82.3, 82.9. 

Consumer price survey - covers NACE Rev. 2 = G45.1-45.4, G47.1-47.9, I55.1-55.3, I55.9, I56.1-56.3, H49.10 (COICOP 07.31), H49.31 (COICOP 07.32), H4932 (COICOP 07.32), H49.39 (COICOP 07.32), H51.10 (COICOP 07.33), H51.21 (COICOP07.33), H51.22 (COICOP 07.33), I55.1-55.3, I55.9, I56.1-56.3, J58.1 (COICOP 09.5), J58.2 (COICOP 09.5), J59.1 (COICOP 09.42), J59.2 (COICOP 09.42), J60.1 (COICOP 09.42), J60.2 (COICOP 09.42), J61.3 (COICOP 08.3), J61.9 (COICOP 08.3), M74.1 (COICOP 09.42), M74.2 (COICOP 09.42), N79.1 (COICOP 09.6), N79.9 (COICOP 09.6). Indices are calculated as a weighted average of indices of selected items in the consumer basket.

Monthly.

Data are released in line with the Release calendar. There are no differences in timeliness between the different aggregation levels or between the statistical variables presented.

Data dissemination in the public database Datacube is in accordance with the set up deadlines. Data are released two months after the reference month.

Index of service production is calculated for the whole territory of the Slovak Republic. The same statistical concepts are applied for entire area of the Slovak Republic.

Using the base year 2021, data series for from 2010 onwards were calculated and are comparable.