Jan ( N = 1017 )

Feb ( N = 926 )

Mar ( N = 1064 )

Apr ( N = 800 )

May ( N = 598 )

Jun ( N = 710 )

Jul ( N = 528 )

Aug ( N = 561 )

Sep ( N = 737 )

Oct ( N = 1172 )

Nov ( N = 1106 )

Dec ( N = 1131 )