Jan ( N = 990 )

Feb ( N = 890 )

Mar ( N = 991 )

Apr ( N = 933 )

May ( N = 980 )

Jun ( N = 916 )

Jul ( N = 944 )

Aug ( N = 936 )

Sep ( N = 934 )

Oct ( N = 975 )

Nov ( N = 939 )

Dec ( N = 983 )