Jan ( N = 809 )

Feb ( N = 955 )

Mar ( N = 589 )

Apr ( N = 1071 )

May ( N = 995 )

Jun ( N = 1132 )

Jul ( N = 1174 )

Aug ( N = 1159 )

Sep ( N = 1122 )

Oct ( N = 1067 )

Nov ( N = 1133 )

Dec ( N = 1137 )