Jan ( N = 432 )
Feb ( N = 391 )
Mar ( N = 434 )
Apr ( N = 416 )
May ( N = 360 )
Jun ( N = 415 )
Jul ( N = 434 )
Aug ( N = 433 )
Sep ( N = 419 )
Oct ( N = 429 )
Nov ( N = 420 )
Dec ( N = 418 )