Jan ( N = 796 )

Feb ( N = 1028 )

Mar ( N = 1120 )

Apr ( N = 1117 )

May ( N = 1151 )

Jun ( N = 1053 )

Jul ( N = 1118 )

Aug ( N = 1082 )

Sep ( N = 1085 )

Oct ( N = 1138 )

Nov ( N = 1119 )

Dec ( N = 1087 )