Jan ( N = 215 )
Feb ( N = 154 )
Mar ( N = 198 )
Apr ( N = 284 )
May ( N = 254 )
Jun ( N = 160 )
Jul ( N = 124 )
Aug ( N = 140 )
Sep ( N = 144 )
Oct ( N = 116 )
Nov ( N = 260 )
Dec ( N = 261 )