Jan ( N = 603 )

Feb ( N = 580 )

Mar ( N = 615 )

Apr ( N = 589 )

May ( N = 613 )

Jun ( N = 582 )

Jul ( N = 617 )

Aug ( N = 618 )

Sep ( N = 603 )

Oct ( N = 578 )

Nov ( N = 643 )

Dec ( N = 679 )