What is every Big Ten Conference team's record against the over/under line as a home underdog since the 2020 season?

Definitions
Team Over Record Over % Under % Total +/-
Michigan 2-0-0 100.0% 0.0% +7.0
Maryland 6-2-0 75.0% 25.0% +10.3
Rutgers 9-4-0 69.2% 30.8% +6.7
Minnesota 5-3-0 62.5% 37.5% +4.1
Indiana 8-5-0 61.5% 38.5% -1.9
Michigan St 8-5-0 61.5% 38.5% +0.1
Purdue 6-4-0 60.0% 40.0% +5.7
Northwestern 6-4-0 60.0% 40.0% -0.4
Penn St 1-2-1 33.3% 66.7% -0.3
Nebraska 3-7-0 30.0% 70.0% -6.3
Illinois 2-6-2 25.0% 75.0% -5.7
Wisconsin 0-1-0 0.0% 100.0% -14.0
Iowa 0-2-0 0.0% 100.0% -1.0