From the Texas Parks and Wildlife Department:

Outdoor Activity
  Number of Particiipants
         Annual Injuries
              Injuries per 100,000 Participants
 
Football     15,500,000  424,665  2,740
Basketball   28,200,000  716,182  2,540
Baseball     33,200,000  404,468  1,218
Bicycling    64,500,000  604,566  937
Water Skiing 7,400,000   16,182   219
Swimming     60,300,000  130,286  216
Fishing      45,700,000  78,393   172
Hunting      15,000,000  1,094    7


(These statistics were provided by the National Safety Council, Statistics Unit in Chicago for 1994-95. If you are interested in additional numbers, they can be contacted at 1-800-621-7615, extension 7307. The numbers for hunting are from 1995