Puzzle for April 8, 2010

On April 8, 1974 Hank Aaron hit his 715th career home run, breaking Babe Ruth's legendary 714 homer record.

His career spanned three teams; the Milwaukee Braves from 1954 to 1965, the Atlanta Braves from 1966 to 1974 and the Milwaukee Brewers from 1975 to 1976. He hung up his cleats in 1976 with 755 career home runs and was inducted into the Baseball Hall of Fame in 1982.

How many homers did he average during his career?