Jan ( N = 553 )

Feb ( N = 539 )

Mar ( N = 687 )

Apr ( N = 725 )

May ( N = 818 )

Jun ( N = 731 )

Jul ( N = 712 )

Aug ( N = 722 )

Sep ( N = 591 )

Oct ( N = 591 )

Nov ( N = 530 )

Dec ( N = 507 )