What is every Big Ten Conference team's record against the over/under line as a road underdog since the 2006 season?

Definitions
Team Over Record Over % Under % Total +/-
Indiana 44-25-1 63.8% 36.2% +4.7
Wisconsin 12-8-0 60.0% 40.0% +2.9
Nebraska 25-20-0 55.6% 44.4% +4.7
Michigan 16-15-0 51.6% 48.4% +1.7
Illinois 33-31-2 51.6% 48.4% +2.5
Maryland 35-34-1 50.7% 49.3% +1.0
Penn St 15-15-0 50.0% 50.0% -0.5
Minnesota 30-32-2 48.4% 51.6% -1.5
Purdue 30-34-2 46.9% 53.1% -1.3
Northwestern 26-36-2 41.9% 58.1% -0.1
Rutgers 28-41-0 40.6% 59.4% +0.9
Michigan St 19-28-0 40.4% 59.6% -1.7
Ohio St 4-7-0 36.4% 63.6% -1.1
Iowa 16-28-0 36.4% 63.6% -4.7