Yes, I am aware that there is a denominator in there somewhere in
this discussion

http://www.nytimes.com/2011/12/10/business/economy/side-by-side-atvs-have-extra-room-and-maybe-more-risks.html?hp

Side-by-sides have been linked to an estimated 160 deaths and
nearly twice as many injuries since 2003; A.T.V.’s, by comparison, are
associated with 800 deaths and 130,000 injuries a year. An estimated 530,000
side-by-sides and 10.2 million A.T.V.’s were in operation by the late 2000s.