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

Definitions
Team Over Record Over % Under % Total +/-
Michigan 11-2-0 84.6% 15.4% +9.7
Wisconsin 2-1-0 66.7% 33.3% -2.3
Ohio St 2-1-0 66.7% 33.3% +16.3
Indiana 29-16-2 64.4% 35.6% +1.7
Purdue 28-19-3 59.6% 40.4% +4.9
Michigan St 14-10-0 58.3% 41.7% -1.2
Maryland 21-18-0 53.9% 46.2% +4.9
Minnesota 21-19-0 52.5% 47.5% +2.0
Northwestern 19-18-1 51.4% 48.7% -1.2
Rutgers 23-25-0 47.9% 52.1% -2.0
Nebraska 11-12-1 47.8% 52.2% -0.7
Penn St 7-9-1 43.8% 56.3% +0.4
Illinois 16-27-2 37.2% 62.8% -2.9
Iowa 4-11-0 26.7% 73.3% -7.6