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 1-0-0 100.0% 0.0% +18.5
Illinois 1-0-0 100.0% 0.0% +7.5
Northwestern 1-0-0 100.0% 0.0% +8.0
Penn State 2-0-0 100.0% 0.0% +18.2
Iowa 2-0-0 100.0% 0.0% +13.5
Michigan 1-1-0 50.0% 50.0% -2.0
Wisconsin 1-1-0 50.0% 50.0% -1.5
Minnesota 1-1-0 50.0% 50.0% -5.8
Michigan St 0-2-0 0.0% 100.0% -18.5
Ohio State 0-2-0 0.0% 100.0% -7.2
Indiana 0-1-0 0.0% 100.0% -11.0