I've got 23000 + miles on my 09 Forester XLT. The paint just in front of both rear wheels is being chipped away by stones. I have to drive on some secondary roads (that have some loose stone) to get to work. I've been to my dealer and they said it was not defective paint. Both of the other vehicles in our family are driven on the same roads and do not have this problem. Anyone else having this problem?