Jan ( N = 730 )

Feb ( N = 304 )

Mar ( N = 67 )

Apr ( N = 777 )

May ( N = 1104 )

Jun ( N = 1007 )

Jul ( N = 1061 )

Aug ( N = 1013 )

Sep ( N = 1033 )

Oct ( N = 1086 )

Nov ( N = 1074 )

Dec ( N = 1077 )