Jan ( N = 518 )

Feb ( N = 587 )

Mar ( N = 650 )

Apr ( N = 653 )

May ( N = 700 )

Jun ( N = 688 )

Jul ( N = 690 )

Aug ( N = 657 )

Sep ( N = 577 )

Oct ( N = 549 )

Nov ( N = 453 )

Dec ( N = 252 )