What is every Big Ten Conference team's record against the over/under line as a home underdog since the 2014 season?

Definitions
Team Over Record Over % Under % Total +/-
Michigan 6-0-0 100.0% 0.0% +11.0
Ohio St 1-0-0 100.0% 0.0% +48.0
Purdue 20-10-2 66.7% 33.3% +8.1
Indiana 19-11-0 63.3% 36.7% +0.8
Minnesota 13-8-0 61.9% 38.1% +5.8
Maryland 15-10-0 60.0% 40.0% +6.2
Michigan St 11-10-0 52.4% 47.6% -2.6
Wisconsin 1-1-0 50.0% 50.0% -3.8
Nebraska 10-10-1 50.0% 50.0% -0.3
Northwestern 13-13-1 50.0% 50.0% -2.1
Rutgers 20-20-0 50.0% 50.0% -1.8
Penn St 4-5-1 44.4% 55.6% -2.7
Illinois 11-20-2 35.5% 64.5% -4.0
Iowa 3-7-0 30.0% 70.0% -5.8