C. INDUSTRY, CONSTRUCTION, TRADE AND SERVICES

C1. Statistical Business Register

Within the context of Statistical Business Register the routine revisions of statistical data concern:

- revision of the published annual data after the receipt of additional information; 

  • Example: data on economically active statistical units are revised when publishing the final data, receiving additional information from the State Revenue Service and CSB annual reports.

- revision of the published data in accordance with the changes in methodology or classifications.

  • Example: economic activity of the economically active statistical units is re-coded in compliance with the Statistical Classification of Economic Activities NACE Rev. 2.

C2. Trade and services

Within the context of trade and services statistics routine revisions of statistical data concern:

- further revision of the published data, adding revised or more detailed information;

  • Example: when publishing the data on retail trade turnover in March the indices on February are revised, because respondents, reports received from which were imputed in February, have submitted reports on or have made corrections in reports on previous period (February).

- revision of the published data, using the seasonal adjustment method;

  • Example: as the data on new period are added, the seasonally or working day adjusted retail trade turnover index may change every month, because mathematical programme recalculates all previous periods of the time series.

- revision of the published data in accordance with the changes in methodology or classifications.

  • Example: retail trade turnover index data series were changed in January 2009, due to the introduction of the NACE Rev. 2.

C3. Construction

Within the context of construction statistics routine revisions of statistical data concern:

- further revision of the published data, adding revised or more detailed information;

  • Example: when publishing the data on construction production output and building permits granted for the construction of new buildings, the data on previous quarter are revised, because specified information from the respondents or enterprises not responding in previous year is received.

- revision of the published data with the help of seasonal adjustment method or changing the definition of the base period.

  • Example: as the data on new period are added the seasonally or working day adjusted construction production volume index may change every month, because mathematical programme recalculates all previous periods of the time series.

- revision of the published data in accordance with the changes in methodology or classifications.

  • Example: construction production volume index data series were changed in May 2009, due to the introduction of the NACE Rev. 2.

C4. Industry

Within the context of industry statistics routine revisions of statistical data concern:

- further revision of the published data, adding revised or more detailed information;

  • Example: when publishing the monthly production volume index, the data on two previous months are revised, because specified information is received from the  enterprises.

- revision of the published data with the help of seasonal adjustment method or changing the definition of the base period.

  • Example: when continuing the industrial production index seasonally or working day adjusted time series, each added period may influence the previous values.

- revision of the published data in accordance with the changes in methodology or classifications.

  • Example: industrial production volume index data series were changed in January 2009, due to the introduction of the NACE Rev. 2.

C5. Tourism

Routine revisions are not made.

C6. Structural Business Statistics

Within the context of structural business statistics routine revisions of statistical data concern:

- revision of the prior published provisional data;

  • Example: the provisional data of the structural business statistics are revised when after the end of the publication period annual reports are received from the State Revenue Service. The revision is made by comparing the calculated data in the time series, and as further data analysis result in discovering the mistakes in the source data. 

- revision of the published data in accordance with the changes in methodology or classifications.

  • Example: structural business statistics time series are changed due to the introduction of the NACE Rev. 2.