Jan ( N = 475 )

Feb ( N = 428 )

Mar ( N = 317 )

Apr ( N = 493 )

May ( N = 817 )

Jun ( N = 1004 )

Jul ( N = 757 )

Aug ( N = 606 )

Sep ( N = 758 )

Oct ( N = 538 )

Nov ( N = 537 )

Dec ( N = 759 )