Documentation of statistics: The annual and quarterly working time accounts before the 2016 revision (Discontinued)
Short-term data sources are applied in projecting these levels over the months of the year and in periods for which structural data are not available.
https://www.dst.dk/en/Statistik/dokumentation/documentationofstatistics/the-annual-and-quarterly-working-time-accounts-before-the-2016-revision--discontinued-
Documentation of statistics