Jan ( N = 317 )
Feb ( N = 279 )
Mar ( N = 343 )
Apr ( N = 368 )
May ( N = 866 )
Jun ( N = 1102 )
Jul ( N = 1149 )
Aug ( N = 1173 )
Sep ( N = 909 )
Oct ( N = 1178 )
Nov ( N = 993 )
Dec ( N = 499 )