from Norway, Sweden:

January     7, 14, 21, 28
February    4, 11, 18, 25
March      3, 10, 17, 24, 31
April      7, 21, 28
May      5, 12, 19, 26
June     2, 9, 16, 23, 30
July      7, 14, 21, 28
August     
September     
October      
November    
December