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 +/-
Iowa 9-4-0 69.2% 30.8% +1.2
Michigan 8-5-0 61.5% 38.5% +5.7
Penn State 8-5-0 61.5% 38.5% -0.5
Illinois 7-5-0 58.3% 41.7% +7.2
Nebraska 7-5-0 58.3% 41.7% +1.4
Indiana 7-5-0 58.3% 41.7% +0.8
Purdue 7-6-0 53.8% 46.2% +2.5
Ohio State 7-7-0 50.0% 50.0% +6.2
Northwestern 7-7-0 50.0% 50.0% -2.5
Maryland 6-6-0 50.0% 50.0% +4.8
Wisconsin 6-7-0 46.2% 53.8% +0.7
Minnesota 6-7-0 46.2% 53.8% +3.1
Rutgers 4-8-0 33.3% 66.7% -4.2
Michigan St 4-9-0 30.8% 69.2% -11.3