模板:Certification Table Entry/Sales/NorwegianPeriod
模板介绍
[编辑]This helper template calculates periods for Norwegian certifications, as stated in [1] and [2]
For album releases before 2002 the thresholds are 25/50 based on [3] and [4]
For singles, there is no reason to believe a change ever occurred.
It returns:
| Before July 2002 | Before 2008 | From 2008 |
|---|---|---|
| 1 | 2 | 3 |
Returns 0 if the data provided is not sufficient.