Jan ( N = 534 )

Feb ( N = 712 )

Mar ( N = 728 )

Apr ( N = 811 )

May ( N = 830 )

Jun ( N = 826 )

Jul ( N = 786 )

Aug ( N = 782 )

Sep ( N = 721 )

Oct ( N = 621 )

Nov ( N = 546 )

Dec ( N = 479 )