Jan ( N = 595 )

Mar ( N = 760 )

Apr ( N = 1027 )

May ( N = 1081 )

Jun ( N = 1077 )

Jul ( N = 1097 )

Aug ( N = 1103 )

Sep ( N = 1049 )

Oct ( N = 1094 )

Nov ( N = 942 )

Dec ( N = 847 )