Jan ( N = 650 )

Feb ( N = 587 )

Mar ( N = 651 )

Apr ( N = 617 )

May ( N = 626 )

Jun ( N = 630 )

Jul ( N = 618 )

Aug ( N = 651 )

Sep ( N = 630 )

Oct ( N = 652 )

Nov ( N = 620 )

Dec ( N = 651 )