Sources?
http://www.dogbitelaw.com/PAGES/danger.htm
It is important to draw attention to the studies because of lobbying efforts by a segment of the population that stubbornly continues to insist that no breed of dog is inherently dangerous, even in the face of apparently overwhelming contrary evidence. A report by Animal People found that, of 264 canine homicides from 1982 to 2006 in the USA and Canada, a total of 65% of the deaths were caused by pit bulls, Rottweilers, Presa Canarios and their mixes.
Pitts make up 2-9% on the dogs in the USA
http://www.dogsbite.org/
2008 fatality chart
2007 fatality chart
2006 fatality chart
The numbers are all over the web and if you really want to know the truth it is very easy to find. The fact is that most Pitt Bull owners do not want to know the truth.
These numbers have been challenged in many court cases across our country and have survived each and every challenge.
Im done.