Statistical processing

Source data

Data are compiled from the Central Customs and Tax Administration.

Frequency of data collection

Annually.

Data collection

Data are received from the Central Customs and Tax Administration in the shape of a note with tables.

Data validation

The collected material is validated against last year’s data as well as the general economic development in society.

Data compilation

No data compilation is done.

Adjustment

There is no adjustment of data beyond what has already been described under data validation and data compilation.