Jan ( N = 486 )

Feb ( N = 517 )

Mar ( N = 1178 )

Apr ( N = 1139 )

May ( N = 1175 )

Jun ( N = 1029 )

Jul ( N = 1177 )

Aug ( N = 1176 )

Sep ( N = 1139 )

Oct ( N = 1170 )

Nov ( N = 666 )

Dec ( N = 1176 )