Jan ( N = 555 )

Feb ( N = 867 )

Mar ( N = 956 )

Apr ( N = 1114 )

May ( N = 1139 )

Jun ( N = 1089 )

Jul ( N = 1090 )

Aug ( N = 1090 )

Sep ( N = 1081 )

Oct ( N = 1166 )

Nov ( N = 1016 )

Dec ( N = 1054 )