Template:Certification Table Entry/Sales/DanishPeriod

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This helper template calculates periods for Danish certifications, as stated in the following sources:

• [1] - Album level changed in 1994
• [2] - levels changed in April 2003
• [3] - new levels for albums and singles in February 2007
• [4] new levels for singles changed in April 2009
• [5] - new albums levels change in 7 January 2011
• [6] - new single levels from 17 November 2014
• [7] - new single levels from 1 April 2016

It returns:

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
1	2	3	4	5	6	7	8

Returns 0 if the data provided is not sufficient.