Jan ( N = 264 )

Feb ( N = 758 )

Mar ( N = 821 )

Apr ( N = 515 )

May ( N = 814 )

Jun ( N = 810 )

Jul ( N = 509 )

Aug ( N = 836 )

Sep ( N = 810 )

Oct ( N = 811 )

Nov ( N = 681 )

Dec ( N = 834 )