What is every Big Ten Conference team's record against the over/under line as an underdog since the 2004 season?

Definitions
Team Over Record Over % Under % Total +/-
Indiana 91-55-4 62.3% 37.7% +3.6
Michigan 36-24-0 60.0% 40.0% +2.8
Nebraska 48-43-1 52.8% 47.3% +2.5
Minnesota 64-58-2 52.5% 47.5% +0.2
Michigan St 50-46-0 52.1% 47.9% +0.8
Maryland 69-68-1 50.4% 49.6% +1.9
Purdue 65-65-6 50.0% 50.0% +0.3
Wisconsin 25-26-1 49.0% 51.0% 0.0
Ohio St 14-15-1 48.3% 51.7% +1.7
Penn St 31-36-1 46.3% 53.7% -0.3
Northwestern 63-74-3 46.0% 54.0% +0.2
Illinois 61-78-4 43.9% 56.1% -0.1
Rutgers 60-77-0 43.8% 56.2% 0.0
Iowa 34-53-0 39.1% 60.9% -4.2