Jan ( N = 1137 )

Feb ( N = 1015 )

Mar ( N = 1131 )

Apr ( N = 974 )

May ( N = 1061 )

Jun ( N = 1108 )

Jul ( N = 1117 )

Aug ( N = 1129 )

Sep ( N = 975 )

Oct ( N = 1168 )

Nov ( N = 1123 )

Dec ( N = 1128 )