What is every Big Ten Conference team's record against the over/under line as an underdog since the 2011 season?

Definitions
Team Over Record Over % Under % Total +/-
Nebraska 27-12-0 69.2% 30.8% +7.3
Indiana 39-22-0 63.9% 36.1% +3.9
Penn State 20-13-0 60.6% 39.4% +4.5
Maryland 38-28-1 57.6% 42.4% +3.8
Purdue 41-32-2 56.2% 43.8% +1.9
Michigan 14-13-0 51.8% 48.1% +0.4
Minnesota 32-31-1 50.8% 49.2% -0.2
Ohio State 7-7-0 50.0% 50.0% +5.5
Illinois 36-37-0 49.3% 50.7% +1.2
Wisconsin 10-11-1 47.6% 52.4% +1.4
Northwestern 28-32-2 46.7% 53.3% -0.8
Iowa 17-22-0 43.6% 56.4% -5.1
Michigan St 15-20-0 42.9% 57.1% -3.7
Rutgers 27-48-0 36.0% 64.0% -2.8