What is every Big Ten Conference team's record against the over/under line as a home underdog since the 2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Michigan 4-0-0 100.0% 0.0% +14.0
Ohio St 1-0-0 100.0% 0.0% +48.0
Minnesota 9-4-0 69.2% 30.8% +7.4
Indiana 12-7-0 63.2% 36.8% -1.4
Purdue 10-6-1 62.5% 37.5% +4.3
Rutgers 15-10-0 60.0% 40.0% +2.7
Northwestern 10-7-0 58.8% 41.2% +0.1
Maryland 8-6-0 57.1% 42.9% +6.6
Michigan St 8-9-0 47.1% 52.9% -2.8
Illinois 7-8-2 46.7% 53.3% +1.1
Nebraska 6-8-0 42.9% 57.1% -3.5
Penn St 1-3-1 25.0% 75.0% -3.3
Iowa 1-3-0 25.0% 75.0% -3.8
Wisconsin 0-1-0 0.0% 100.0% -14.0