What is every Big Ten Conference team's record against the over/under line as a favorite in the 2008 season?

Definitions
Team Over Record Over % Under % Total +/-
Wisconsin 5-1-0 83.3% 16.7% +7.1
Purdue 2-1-0 66.7% 33.3% +16.5
Penn St 7-4-0 63.6% 36.4% +0.5
Ohio St 5-4-0 55.6% 44.4% -1.1
Michigan 3-3-0 50.0% 50.0% -2.7
Indiana 1-1-0 50.0% 50.0% -4.5
Iowa 3-5-0 37.5% 62.5% -0.6
Michigan St 3-6-0 33.3% 66.7% -8.0
Illinois 2-5-0 28.6% 71.4% -10.1
Northwestern 1-4-0 20.0% 80.0% -7.1
Minnesota 1-5-0 16.7% 83.3% -18.4