Jan ( N = 30 )

Feb ( N = 662 )

Mar ( N = 362 )

Apr ( N = 879 )

May ( N = 1070 )

Jun ( N = 1038 )

Jul ( N = 1066 )

Aug ( N = 1057 )

Sep ( N = 1042 )

Oct ( N = 816 )

Nov ( N = 1039 )

Dec ( N = 913 )