Jan ( N = 463 )

Feb ( N = 403 )

Mar ( N = 459 )

Apr ( N = 435 )

May ( N = 459 )

Jun ( N = 413 )

Jul ( N = 454 )

Aug ( N = 462 )

Sep ( N = 447 )

Oct ( N = 456 )

Nov ( N = 327 )

Dec ( N = 430 )