What is every Big Ten Conference team's record against the over/under line as a home underdog in the 2021 season?

Definitions
Team Over Record Over % Under % Total +/-
Michigan 1-0-0 100.0% 0.0% +5.5
Purdue 2-0-0 100.0% 0.0% +9.0
Michigan St 2-0-0 100.0% 0.0% +12.5
Indiana 3-1-0 75.0% 25.0% +1.8
Rutgers 2-1-0 66.7% 33.3% +6.2
Minnesota 2-1-0 66.7% 33.3% +5.2
Nebraska 1-1-0 50.0% 50.0% -7.5
Maryland 2-2-0 50.0% 50.0% +5.6
Northwestern 1-2-0 33.3% 66.7% -5.7
Illinois 0-3-1 0.0% 100.0% -12.5
Penn St 0-1-0 0.0% 100.0% -10.0