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

Definitions
Team Over Record Over % Under % Total +/-
Michigan 13-2-0 86.7% 13.3% +9.8
Indiana 33-17-2 66.0% 34.0% +2.5
Michigan St 15-10-0 60.0% 40.0% -0.7
Purdue 28-21-4 57.1% 42.9% +3.5
Minnesota 22-19-0 53.7% 46.3% +2.2
Northwestern 21-19-1 52.5% 47.5% -1.0
Maryland 22-20-0 52.4% 47.6% +4.2
Ohio St 2-2-0 50.0% 50.0% +6.0
Nebraska 12-12-1 50.0% 50.0% -0.6
Wisconsin 3-3-0 50.0% 50.0% -2.3
Rutgers 23-25-0 47.9% 52.1% -2.0
Penn St 7-9-1 43.8% 56.3% +0.4
Illinois 17-27-2 38.6% 61.4% -2.7
Iowa 5-11-0 31.3% 68.8% -6.9