Jan ( N = 392 )

Feb ( N = 397 )

Mar ( N = 334 )

Apr ( N = 554 )

May ( N = 602 )

Jun ( N = 583 )

Jul ( N = 810 )

Aug ( N = 758 )

Sep ( N = 562 )

Oct ( N = 527 )

Nov ( N = 495 )

Dec ( N = 440 )