Jan ( N = 588 )

Feb ( N = 470 )

Mar ( N = 1177 )

Apr ( N = 1130 )

May ( N = 1159 )

Jun ( N = 1131 )

Jul ( N = 1170 )

Aug ( N = 1062 )

Sep ( N = 1136 )

Oct ( N = 1174 )

Nov ( N = 1139 )

Dec ( N = 1178 )