Jan ( N = 477 )

Feb ( N = 479 )

Mar ( N = 589 )

Apr ( N = 655 )

May ( N = 744 )

Jun ( N = 762 )

Jul ( N = 767 )

Aug ( N = 763 )

Sep ( N = 736 )

Oct ( N = 655 )

Nov ( N = 573 )

Dec ( N = 622 )