It is the only data we have. Ironically, one reason for the paucity of such data is that these companies have been so reluctant to make public their records—the

It is the only data we have. Ironically, one reason for the paucity of such data is that these companies have been so reluctant to make public their records—the reason this accident occurred in Arizona and not California is because Arizona has relaxed reporting requirements. And the commenter notes that extrapolating might not be wise. Are you really asserting your statements without any fact whatsoever?