Here are some rates I found for 2005. The dates are check in dates for that special:
1/2/05-2/16/05 Winter Settler rates for Ft. Wilderness campground - 21 night stays or longer 7/20/04, exp 7/31/04
1/2/05-2/16/05 Annual Passholder room-only rates 10/20/04, exp 2/16/05
1/2/05-2/16/05 Florida resident room-only code 10/21/04, exp 2/16/05
1/2/05-4/16/05 "available to anyone" room-only code 10/21/04, exp 12/1/05
1/2/05-4/16/05 package discounts for general public 10/21/04, exp 12/1/05
1/2/05-4/16/05 Canadian resident room-only code & discounted packages 10/21/04, exp 12/1/05
Not sure what exactly the codes were for though...sorry.
Hope this helps!