What is every Big Ten Conference team's record against the over/under line as a home underdog since the 2017-2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Penn St 19-7-0 73.1% 26.9% +10.5
Illinois 7-4-0 63.6% 36.4% +7.7
Michigan 6-4-0 60.0% 40.0% +2.3
Ohio St 5-4-0 55.6% 44.4% +7.1
Minnesota 22-18-1 55.0% 45.0% +0.8
Maryland 8-8-1 50.0% 50.0% +3.0
Nebraska 22-24-1 47.8% 52.2% -0.9
Iowa 6-8-0 42.9% 57.1% +1.3
Northwestern 15-21-1 41.7% 58.3% +0.9
Rutgers 13-20-2 39.4% 60.6% -4.0
Wisconsin 5-10-1 33.3% 66.7% -0.9
Indiana 6-14-0 30.0% 70.0% -5.9
Michigan St 2-5-0 28.6% 71.4% -1.9
Purdue 0-2-0 0.0% 100.0% -20.0