What is every Big Ten Conference team's record against the over/under line as a home underdog since the 2003 season?

Definitions
Team Over Record Over % Under % Total +/-
Michigan 12-4-0 75.0% 25.0% +4.7
Indiana 35-20-3 63.6% 36.4% +2.8
Nebraska 12-7-0 63.2% 36.8% +5.4
Ohio State 3-2-1 60.0% 40.0% +6.6
Minnesota 25-17-0 59.5% 40.5% +2.3
Michigan St 12-10-0 54.5% 45.5% +1.0
Penn State 11-10-1 52.4% 47.6% +0.3
Maryland 23-21-0 52.3% 47.7% +4.4
Purdue 25-24-2 51.0% 49.0% +0.2
Wisconsin 4-4-1 50.0% 50.0% -0.6
Iowa 9-10-0 47.4% 52.6% -4.3
Northwestern 22-25-2 46.8% 53.2% -1.2
Illinois 25-30-0 45.5% 54.5% -0.9
Rutgers 21-27-0 43.8% 56.2% -3.6