What is every Big Ten Conference team's record against the over/under line in post-season bowl games since the 2008 season?

Definitions
Team Over Record Over % Under % Total +/-
Purdue 6-0-0 100.0% 0.0% +13.2
Penn St 9-4-0 69.2% 30.8% +8.3
Maryland 5-3-0 62.5% 37.5% +4.3
Michigan 8-5-0 61.5% 38.5% +4.0
Michigan St 6-6-0 50.0% 50.0% -1.0
Minnesota 6-6-0 50.0% 50.0% -6.5
Wisconsin 7-8-1 46.7% 53.3% -1.7
Northwestern 5-6-0 45.5% 54.6% -0.6
Nebraska 4-5-0 44.4% 55.6% -2.3
Iowa 6-8-0 42.9% 57.1% -0.3
Ohio St 7-10-0 41.2% 58.8% -2.4
Rutgers 2-6-0 25.0% 75.0% -3.4
Indiana 1-3-0 25.0% 75.0% -5.8
Illinois 1-4-0 20.0% 80.0% -7.2