Jan ( N = 518 )

Feb ( N = 587 )

Mar ( N = 651 )

Apr ( N = 652 )

May ( N = 700 )

Jun ( N = 684 )

Jul ( N = 680 )

Aug ( N = 656 )

Sep ( N = 573 )

Oct ( N = 546 )

Nov ( N = 450 )

Dec ( N = 252 )