Comparability
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Food Industries, Business StatisticsMorten Skovrider Kollerup
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The statistics are comparable at municipal level back to 1980. The data collected and the level of detail have remained unchanged throughout the period. Data quality and reliability are expected to be higher after 1 January 1990, when a raw material tax was introduced, resulting in increased control of the reporting by the authorities. As of 2007, data are compiled according to the new municipal and regional structure, and reliability is considered slightly lower than before 2007 due to problems with implementation of the new municipality-reform in 2007.
Comparability - geographical
There is no EU regulations or international standards, making comparability with other international statistics difficult.
Comparability over time
The statistics can be compared at the municipal level from 2006 onwards. Due to the the new municipality-reform in 2007, statistics before that time are aggregated at another level, and cannot be compared directly. Raw materials extracted from the sea are comparable back to 1990. However, the StatBank table RST04 (Discharge of raw materials from the sea (1,000 m³) by area and type of raw material) is only comparable from 2007 onwards. For the period before that (1990–2006), the statistics are based on the former municipalities and counties prior to the municipal reform.
Coherence - cross domain
Sales of goods by manufacturing industries: The statistics on Sales of goods by manufacturing industries contain information on, for example, turnover, from enterprises engaging in manufacturing and the extraction of raw materials. When comparing data from the statistics on Sales of goods by manufacturing industries and the statistics on raw materials, the following should be noted: In the statistics on Sales of goods by manufacturing industries, the turnover variable contains turnover of own products. Some of the extractors use the raw materials as an input in their own production. Such products will not be included in the statistics on Sales of goods by manufacturing industries but only in the statistics on raw materials. Where the extractors belong to an industry outside manufacturing, for example contractors, other construction industry, agriculture, the transport industry and other manufacturing activities, the raw materials are only included in the statistics on raw materials. Many raw materials are extracted by enterprises with less than ten employees. These raw materials are only included in the statistics on raw materials. Finally salt is considered similar to other raw materials in the statistics on Sales of goods by manufacturing industries whereas salt is in fact a separate item in the statistics on raw materials.
Industrial energy consumption: The statistics on Industrial energy consumption contain information on, for example, turnover, employment, energy consumption and different accounting data for extractors belonging to the mining industry. Some of the estimations include only enterprises with more than 20 employees while others include only enterprises which are registered as cooperative societies or private limited companies. The share of the population of extractors included in these estimations differs, and it is far from the total population, as can be seen in the statistics on the extraction of raw materials.
National Accounts: In the National Accounts, the category mining and quarrying covers the extraction of oil and natural gas as well as other raw materials. What is referred to as other raw materials in the National Accounts includes sand, gravel, stone, etc., which are the primary focus of the Mining and quarrying statistics.
Coherence - internal
There are no sources for possible internal inconsistency.