Jan ( N = 1145 )
Feb ( N = 1080 )
Mar ( N = 1209 )
Apr ( N = 1154 )
May ( N = 1208 )
Jun ( N = 648 )
Jul ( N = 468 )
Aug ( N = 770 )
Sep ( N = 1054 )
Oct ( N = 1126 )
Nov ( N = 1169 )
Dec ( N = 1173 )