Jan ( N = 760 )

Feb ( N = 504 )

Mar ( N = 777 )

Apr ( N = 631 )

May ( N = 946 )

Jun ( N = 1058 )

Jul ( N = 1135 )

Aug ( N = 1201 )

Sep ( N = 1161 )

Oct ( N = 972 )

Nov ( N = 1113 )

Dec ( N = 884 )