Jan ( N = 428 )

Feb ( N = 388 )

Mar ( N = 411 )

Apr ( N = 408 )

May ( N = 418 )

Jun ( N = 415 )

Jul ( N = 404 )

Aug ( N = 418 )

Sep ( N = 360 )

Oct ( N = 410 )

Nov ( N = 257 )

Dec ( N = 434 )