What is every Big Ten Conference team's record against the over/under line as a favorite in the 2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Penn St 7-4-0 63.6% 36.4% +0.8
Michigan St 4-3-0 57.1% 42.9% -3.2
Iowa 5-4-0 55.6% 44.4% -1.9
Michigan 7-6-0 53.9% 46.2% +5.6
Indiana 3-3-0 50.0% 50.0% 0.0
Minnesota 2-2-0 50.0% 50.0% +1.3
Ohio St 6-7-0 46.2% 53.9% +2.8
Wisconsin 4-5-0 44.4% 55.6% -0.6
Purdue 4-5-0 44.4% 55.6% +2.2
Northwestern 2-3-0 40.0% 60.0% -3.8
Maryland 2-3-0 40.0% 60.0% +5.3
Illinois 1-2-0 33.3% 66.7% -0.2
Nebraska 2-4-0 33.3% 66.7% -3.3
Rutgers 0-1-0 0.0% 100.0% -6.0