Jan ( N = 765 )

Feb ( N = 502 )

Mar ( N = 776 )

Apr ( N = 628 )

May ( N = 945 )

Jun ( N = 1058 )

Jul ( N = 1137 )

Aug ( N = 1200 )

Sep ( N = 1171 )

Oct ( N = 972 )

Nov ( N = 1172 )

Dec ( N = 949 )