Hail damage

Hello guys, I have a problem. On May 21st, 2009 I got into a hail with my passat, paint rack over the whole vehicle, but without these typical bumps in the sheet metal. The expert of the insurance now asserts that this would be rockfall. I can’t imagine that I am the only one who has ever suffered such hail damage. I would be happy if someone would report, have experience with it or have such damage. Greetings Holger