Documentation of statistics: Leisure and Business Trips
The sample is then grossed up to the target population (Danish residents aged 15 years+) by using different strata, which refers to groupings based on for instance gender, age, family type, family income and socio group in order to make the sample represent the target population the best way possible.
https://www.dst.dk/en/Statistik/dokumentation/documentationofstatistics/leisure-and-business-trips
Documentation of statistics