When will Walkscores be updated?

When are the Walkscores updated?
We bought a vacation home near I-4 in Lake Mary, FL early November 2011, and have been adding places and amenities over the 6 months since then. This is a rapidly growing neighborhood area and the number of ammentities nearby has tripled since then, but the Walkscore of 55 has not changed. It shows 13 amenities within 1 mile, even though the Walkscore website listings show about 70 amenities within a mile now. When will the old Walkscore of 55 be updated to reflect all these new nearby amenities?
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