Jan ( N = 1117 )

Feb ( N = 1001 )

Mar ( N = 1153 )

Apr ( N = 1088 )

May ( N = 1075 )

Jun ( N = 956 )

Jul ( N = 898 )

Aug ( N = 1047 )

Sep ( N = 987 )

Oct ( N = 1095 )

Nov ( N = 1083 )

Dec ( N = 1117 )