What is every Big Ten Conference team's record against the over/under line as a home underdog since the 2008-2009 season?

Definitions
Team Over Record Over % Under % Total +/-
Purdue 10-5-0 66.7% 33.3% +6.1
Penn St 43-30-0 58.9% 41.1% +5.1
Ohio St 11-8-0 57.9% 42.1% +5.3
Illinois 24-18-0 57.1% 42.9% +1.3
Maryland 20-16-1 55.6% 44.4% +3.6
Minnesota 33-28-1 54.1% 45.9% +1.1
Michigan 14-15-0 48.3% 51.7% -0.3
Rutgers 46-51-3 47.4% 52.6% -1.0
Wisconsin 11-13-1 45.8% 54.2% +1.7
Iowa 21-27-0 43.8% 56.3% 0.0
Nebraska 38-49-2 43.7% 56.3% -0.9
Indiana 26-34-0 43.3% 56.7% -1.9
Northwestern 30-44-1 40.5% 59.5% -1.7
Michigan St 4-7-0 36.4% 63.6% +1.8