Statistical processing
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Business Development, Business StatisticsSøren Kühl Andersen
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Sale of motor vehicles, repair and maintenance of motor vehicles etc. (Discontinued)
Data are collected by web from 2,000 enterprises from the industry group Wholesale and retail trade and repair of motor vehicles and motorcycles. In the questionnaire the enterprises are asked to breakdown their turnover by a number of products. The reported data are checked by comparing the distribution of turnover among enterprises that are similar. Survey data is grossed up in part by including information from administrative sources on the VAT turnover in the reference year for the entire population.
Source data
The data are based on web questionnaires sent to 2,299 enterprises. In the sample, all enterprises with annual sales in excess of DKK 10 million, are included. The remaining sample is based on stratified, random selection. The population is divided into 4 size classes. The size classes are: DKK 2.5-5 million, 5-10 million, 10-50 million and beyond 50 million. The limit of DDK 2.5 million in annual turnover for participating in the sample has been chosen to curtail the burden of the respondent for small enterprises.
However, some of the industries are characterized by many small companies with low turnover and therefore the lower cut-off set at 1 million. This applies to the following industries:
- 45.20.10 Maintaince and repair of motor vehicles
- 45.20 Bodywork repair and motor vehicle painters, undercarriage treatment, tyre and tube repair
- 45.32.00 Retail trade of motor vehicle parts and accessories.
Frequency of data collection
The statistics covers the year 2015.
Data collection
Data are collected by web questionnaires. In the questionnaire the enterprises are asked to distribute their turnover in DKK 1,000 by a number of products. The reporting is mandatory, i.e. the enterprises are required to report accurate data on time.
Data validation
The submitted data are checked for errors, ex. data of the individual reporter are compared with similar enterprises reporting in the current period. If the data are significantly different than expected, the enterprise will be contacted. It must be assumed that not all errors in the data are found. That is why the statistics may be subject to some uncertainty associated with error reporting.
Data compilation
The data from the questionnaires received are grossed up to the provisional total turnover from Business Register. The data are corrected for bias in the sample and response pattern. A so-called ratio estimate is used, which includes information on the taxable turnover of the year concerned for the entire population of the sector for Wholesale and retail trade and repair of motor vehicles and motorcycles.
Adjustment
Not relevant for these statistics.