Template:Certification Table Entry/Sales/DanishPeriod
This helper template calculates periods for Danish certifications, as stated in the following sources:
-  - Album level changed in 1994
-  - levels changed in April 2003
-  - new levels for albums and singles in February 2007
-  new levels for singles changed in April 2009
-  - new albums levels change in 7 January 2011
-  - new single levels from 17 November 2014
-  - new single levels from 1 April 2016
|Before 1994||Before April 2003||Before February 2007||Before April 2009||Before 7 January 2011||Before 17 November 2014||Before 1 April 2016||From 1 April 2016|
Returns 0 if the data provided is not sufficient.
|The above documentation is transcluded from Template:Certification Table Entry/Sales/DanishPeriod/doc. (edit | history)|
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