Jan ( N = 375 )

Feb ( N = 930 )

Mar ( N = 1140 )

Apr ( N = 1073 )

May ( N = 1091 )

Jun ( N = 1093 )

Jul ( N = 1153 )

Aug ( N = 313 )

Sep ( N = 649 )

Oct ( N = 1178 )

Nov ( N = 1132 )

Dec ( N = 1177 )