What is every Big Ten Conference team's record against the over/under line as an underdog in the 2004-2005 season?

Definitions
Team Over Record Over % Under % Total +/-
Ohio St 7-4-0 63.6% 36.4% +5.8
Northwestern 9-6-1 60.0% 40.0% +2.9
Penn St 12-9-0 57.1% 42.9% +1.4
Iowa 6-5-1 54.6% 45.5% +3.5
Indiana 7-6-0 53.9% 46.2% -1.5
Michigan St 2-2-0 50.0% 50.0% -1.3
Michigan 7-8-0 46.7% 53.3% -1.7
Wisconsin 3-5-0 37.5% 62.5% -1.3
Purdue 7-12-0 36.8% 63.2% -1.6
Minnesota 4-10-0 28.6% 71.4% -10.5
Illinois 0-1-0 0.0% 100.0% -8.5