How many of the homes on Extreme Makeover are still owned by original owner whom the house was rebuilt?

Many homes featured on "Extreme Makeover: Home Edition" have faced challenges in maintaining ownership by the original families after the show's conclusion. While the exact number fluctuates, reports indicate that a significant portion of the homes have either been sold or faced foreclosure due to financial difficulties. Some families have successfully retained their homes, but comprehensive statistics on original ownership are not readily available.