Jan ( N = 411 )

Feb ( N = 356 )

Mar ( N = 389 )

Apr ( N = 358 )

May ( N = 390 )

Jun ( N = 416 )

Jul ( N = 423 )

Aug ( N = 418 )

Sep ( N = 416 )

Oct ( N = 420 )

Nov ( N = 322 )

Dec ( N = 432 )