Jan ( N = 849 )

Feb ( N = 903 )

Mar ( N = 1177 )

Apr ( N = 1140 )

May ( N = 1062 )

Jun ( N = 719 )

Jul ( N = 1140 )

Aug ( N = 1145 )

Sep ( N = 1138 )

Oct ( N = 1117 )

Nov ( N = 1137 )

Dec ( N = 1137 )