Jan ( N = 209 )

Feb ( N = 294 )

Mar ( N = 503 )

Apr ( N = 507 )

May ( N = 596 )

Jun ( N = 561 )

Jul ( N = 577 )

Aug ( N = 568 )

Sep ( N = 538 )

Oct ( N = 588 )

Nov ( N = 548 )

Dec ( N = 438 )