Jan ( N = 428 )
Feb ( N = 393 )
Mar ( N = 409 )
Apr ( N = 407 )
May ( N = 419 )
Jun ( N = 407 )
Jul ( N = 404 )
Aug ( N = 421 )
Sep ( N = 360 )
Oct ( N = 408 )
Nov ( N = 252 )
Dec ( N = 434 )