Jan ( N = 1007 )

Feb ( N = 924 )

Mar ( N = 1019 )

Apr ( N = 979 )

May ( N = 977 )

Jun ( N = 990 )

Jul ( N = 995 )

Aug ( N = 1023 )

Sep ( N = 990 )

Oct ( N = 1024 )

Nov ( N = 967 )

Dec ( N = 1003 )