Jan ( N = 659 )

Feb ( N = 623 )

Mar ( N = 488 )

Apr ( N = 599 )

May ( N = 593 )

Jun ( N = 529 )

Jul ( N = 616 )

Aug ( N = 667 )

Sep ( N = 647 )

Oct ( N = 622 )

Nov ( N = 352 )

Dec ( N = 421 )