What is every Big Ten Conference team's record against the over/under line as a favorite in the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Indiana 7-0-1 100.0% 0.0% +15.7
Maryland 3-0-0 100.0% 0.0% +5.5
Iowa 7-3-1 70.0% 30.0% +4.3
Michigan 7-4-0 63.6% 36.4% +2.5
Nebraska 4-3-0 57.1% 42.9% +1.3
Rutgers 2-2-0 50.0% 50.0% +3.5
Minnesota 3-3-0 50.0% 50.0% -7.2
Illinois 2-2-0 50.0% 50.0% -3.2
Michigan St 5-6-0 45.5% 54.5% -0.0
Wisconsin 4-7-0 36.4% 63.6% -10.5
Penn State 3-6-0 33.3% 66.7% -2.8
Ohio State 4-9-0 30.8% 69.2% -6.5
Purdue 0-1-0 0.0% 100.0% -1.0
Northwestern 0-5-0 0.0% 100.0% -9.0