Jan ( N = 482 )

Feb ( N = 412 )

Mar ( N = 395 )

Apr ( N = 404 )

May ( N = 493 )

Jun ( N = 462 )

Jul ( N = 485 )

Aug ( N = 469 )

Sep ( N = 434 )

Oct ( N = 490 )

Nov ( N = 475 )

Dec ( N = 431 )