Jan ( N = 558 )

Feb ( N = 523 )

Mar ( N = 557 )

Apr ( N = 536 )

May ( N = 558 )

Jun ( N = 540 )

Jul ( N = 557 )

Aug ( N = 545 )

Sep ( N = 531 )

Oct ( N = 556 )

Nov ( N = 540 )

Dec ( N = 558 )