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 +/-
Wisconsin 1-0-1 100.0% 0.0% +3.5
Michigan 9-3-0 75.0% 25.0% +8.2
Indiana 24-10-2 70.6% 29.4% +3.5
Ohio State 2-1-0 66.7% 33.3% +16.3
Nebraska 8-5-0 61.5% 38.5% +4.1
Purdue 25-17-1 59.5% 40.5% +4.2
Michigan St 8-6-0 57.1% 42.9% -2.8
Minnesota 19-15-0 55.9% 44.1% +1.6
Penn State 7-6-1 53.8% 46.2% +2.2
Maryland 17-15-0 53.1% 46.9% +4.7
Northwestern 13-15-1 46.4% 53.6% -2.2
Illinois 16-23-0 41.0% 59.0% -1.7
Rutgers 15-24-0 38.5% 61.5% -4.9
Iowa 4-10-0 28.6% 71.4% -7.6