Jan ( N = 153 )
Feb ( N = 377 )
Mar ( N = 404 )
Apr ( N = 390 )
May ( N = 403 )
Jun ( N = 389 )
Jul ( N = 383 )
Aug ( N = 340 )
Sep ( N = 328 )
Oct ( N = 330 )
Nov ( N = 330 )
Dec ( N = 340 )