Jan ( N = 1201 )

Feb ( N = 1012 )

Mar ( N = 1206 )

Apr ( N = 1170 )

May ( N = 1184 )

Jun ( N = 1149 )

Jul ( N = 1161 )

Aug ( N = 1197 )

Sep ( N = 1161 )

Oct ( N = 1201 )

Nov ( N = 1146 )

Dec ( N = 1174 )