Jan ( N = 675 )

Feb ( N = 578 )

Mar ( N = 683 )

Apr ( N = 640 )

May ( N = 650 )

Jun ( N = 604 )

Jul ( N = 650 )

Aug ( N = 646 )

Sep ( N = 597 )

Oct ( N = 630 )

Nov ( N = 618 )

Dec ( N = 628 )