Jan ( N = 360 )

Feb ( N = 396 )

Mar ( N = 444 )

Apr ( N = 504 )

May ( N = 518 )

Jun ( N = 786 )

Jul ( N = 747 )

Aug ( N = 776 )

Sep ( N = 664 )

Oct ( N = 616 )

Nov ( N = 544 )

Dec ( N = 506 )