Jan ( N = 378 )

Feb ( N = 501 )

Mar ( N = 580 )

Apr ( N = 713 )

May ( N = 727 )

Jun ( N = 871 )

Jul ( N = 768 )

Aug ( N = 759 )

Sep ( N = 754 )

Oct ( N = 702 )

Nov ( N = 630 )

Dec ( N = 616 )