Jan ( N = 571 )

Feb ( N = 1030 )

Mar ( N = 1101 )

Apr ( N = 1085 )

May ( N = 1030 )

Jun ( N = 943 )

Jul ( N = 1114 )

Aug ( N = 1109 )

Sep ( N = 1088 )

Oct ( N = 1121 )

Nov ( N = 1077 )

Dec ( N = 1101 )