Jan ( N = 1100 )

Feb ( N = 953 )

Mar ( N = 1136 )

Apr ( N = 1105 )

May ( N = 1095 )

Jun ( N = 923 )

Jul ( N = 495 )

Aug ( N = 350 )

Sep ( N = 804 )

Oct ( N = 559 )

Nov ( N = 918 )

Dec ( N = 1177 )