What is every Big Ten Conference team's record against the over/under line in post-season bowl games since the 2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Purdue 3-0-0 100.0% 0.0% +20.2
Penn St 4-1-0 80.0% 20.0% +6.1
Northwestern 2-1-0 66.7% 33.3% -2.2
Minnesota 3-2-0 60.0% 40.0% -3.9
Ohio St 4-3-0 57.1% 42.9% +1.6
Wisconsin 3-3-0 50.0% 50.0% +1.3
Michigan 3-3-0 50.0% 50.0% +4.3
Rutgers 1-1-0 50.0% 50.0% -0.5
Illinois 1-1-0 50.0% 50.0% -5.0
Iowa 2-3-0 40.0% 60.0% +1.8
Maryland 1-2-0 33.3% 66.7% -4.2
Indiana 0-2-0 0.0% 100.0% -15.8
Michigan St 0-3-0 0.0% 100.0% -12.8