Jan ( N = 668 )

Feb ( N = 1000 )

Mar ( N = 1130 )

Apr ( N = 1079 )

May ( N = 1130 )

Jun ( N = 1067 )

Jul ( N = 1007 )

Aug ( N = 1114 )

Sep ( N = 792 )

Oct ( N = 861 )

Nov ( N = 559 )

Dec ( N = 1125 )