Jan ( N = 1033 )

Feb ( N = 909 )

Mar ( N = 990 )

Apr ( N = 966 )

May ( N = 1066 )

Jun ( N = 1027 )

Jul ( N = 1057 )

Aug ( N = 1068 )

Sep ( N = 960 )

Oct ( N = 1091 )

Nov ( N = 1068 )

Dec ( N = 1074 )