Jan ( N = 1170 )

Feb ( N = 1002 )

Mar ( N = 1175 )

Apr ( N = 1134 )

May ( N = 1175 )

Jun ( N = 1132 )

Jul ( N = 1146 )

Aug ( N = 1171 )

Sep ( N = 1140 )

Oct ( N = 1175 )

Nov ( N = 1097 )

Dec ( N = 1172 )