What is every Big Ten Conference team's record against the over/under line as an underdog in the 2006-2007 season?

Definitions
Team Over Record Over % Under % Total +/-
Ohio St 4-3-0 57.1% 42.9% +1.9
Iowa 8-6-1 57.1% 42.9% +1.3
Michigan 8-6-0 57.1% 42.9% +0.2
Purdue 7-6-0 53.9% 46.2% -0.5
Northwestern 9-10-0 47.4% 52.6% -0.8
Penn St 8-10-0 44.4% 55.6% +2.9
Indiana 3-4-1 42.9% 57.1% -9.9
Minnesota 8-12-0 40.0% 60.0% +1.7
Illinois 2-6-1 25.0% 75.0% -6.6
Wisconsin 1-3-0 25.0% 75.0% -9.1
Michigan St 2-8-1 20.0% 80.0% -7.7