Jan ( N = 619 )

Feb ( N = 883 )

Mar ( N = 1143 )

Apr ( N = 1168 )

May ( N = 1158 )

Jun ( N = 1153 )

Jul ( N = 1172 )

Aug ( N = 1175 )

Sep ( N = 1161 )

Oct ( N = 1157 )

Nov ( N = 832 )

Dec ( N = 1194 )