Jan ( N = 570 )

Feb ( N = 923 )

Mar ( N = 1022 )

Apr ( N = 977 )

May ( N = 977 )

Jun ( N = 987 )

Jul ( N = 996 )

Aug ( N = 1022 )

Sep ( N = 986 )

Oct ( N = 1019 )

Nov ( N = 966 )

Dec ( N = 1015 )