Jan ( N = 477 )

Feb ( N = 371 )

Mar ( N = 658 )

Apr ( N = 721 )

May ( N = 806 )

Jun ( N = 835 )

Jul ( N = 863 )

Aug ( N = 776 )

Sep ( N = 660 )

Oct ( N = 615 )

Nov ( N = 506 )

Dec ( N = 481 )