Jan ( N = 364 )
Feb ( N = 298 )
Mar ( N = 424 )
Apr ( N = 339 )
May ( N = 490 )
Jun ( N = 478 )
Jul ( N = 443 )
Aug ( N = 432 )
Sep ( N = 408 )
Oct ( N = 393 )
Nov ( N = 324 )
Dec ( N = 290 )