Jan ( N = 300 )

Feb ( N = 943 )

Mar ( N = 1115 )

Apr ( N = 1067 )

May ( N = 1109 )

Jun ( N = 941 )

Jul ( N = 1015 )

Aug ( N = 1036 )

Sep ( N = 1053 )

Oct ( N = 1086 )

Nov ( N = 1054 )

Dec ( N = 1106 )