Template:Certification Table Entry/Sales/DanishPeriod
This helper template calculates periods for Danish certifications, as stated in the following sources:
- [1] - levels changed in April 2003
- [2] - new levels for albums and singles in February 2007
- [3] - new levels for singles active in September 2010
- [4] - new albums levels change in 7 January 2011
- [5] - new single levels from 17 November 2014
- [6] - new single levels from 1 April 2016
It returns:
| Before April 2003 | Before February 2007 | Before September 2010 | Before 7 January 2011 | Before 17 November 2014 | Before 1 April 2016 | From 1 April 2016 |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Returns 0 if the data provided is not sufficient.