Jan ( N = 433 )
Feb ( N = 390 )
Mar ( N = 434 )
Apr ( N = 419 )
May ( N = 434 )
Jun ( N = 412 )
Jul ( N = 431 )
Aug ( N = 433 )
Sep ( N = 418 )
Oct ( N = 431 )
Nov ( N = 419 )
Dec ( N = 434 )