What is every Big Ten Conference team's record against the over/under line? Includes the 2019-2020 season plus historical records.

Definitions
Team Over Record Over % Under % Total +/-
Nebraska 19-13-0 59.4% 40.6% +3.5
Michigan 17-14-0 54.8% 45.2% +2.2
Rutgers 15-14-1 51.7% 48.3% -1.7
Purdue 16-15-0 51.6% 48.4% +0.5
Maryland 16-15-0 51.6% 48.4% -0.7
Northwestern 15-15-1 50.0% 50.0% +1.2
Wisconsin 15-15-1 50.0% 50.0% 0.0
Penn State 15-16-0 48.4% 51.6% +1.5
Indiana 15-16-1 48.4% 51.6% -0.9
Michigan St 14-15-2 48.3% 51.7% -0.4
Minnesota 14-17-0 45.2% 54.8% -1.0
Ohio State 14-17-0 45.2% 54.8% +0.9
Iowa 14-17-0 45.2% 54.8% +2.5
Illinois 12-16-2 42.9% 57.1% -3.5