Jan ( N = 748 )

Feb ( N = 791 )

Mar ( N = 812 )

Apr ( N = 860 )

May ( N = 912 )

Jun ( N = 894 )

Jul ( N = 918 )

Aug ( N = 896 )

Sep ( N = 810 )

Oct ( N = 771 )

Nov ( N = 640 )

Dec ( N = 410 )