What is every Big Ten Conference team's record against the over/under line in non-conference games in the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Indiana 4-0-1 100.0% 0.0% +10.3
Nebraska 4-1-0 80.0% 20.0% +4.1
Iowa 3-1-1 75.0% 25.0% +4.6
Maryland 3-1-0 75.0% 25.0% +2.5
Rutgers 2-2-0 50.0% 50.0% +3.5
Purdue 2-2-0 50.0% 50.0% +6.4
Wisconsin 2-3-0 40.0% 60.0% -9.0
Michigan St 2-3-0 40.0% 60.0% -4.6
Ohio State 2-3-0 40.0% 60.0% -8.7
Illinois 1-3-0 25.0% 75.0% -6.5
Penn State 1-4-0 20.0% 80.0% -1.5
Michigan 1-4-0 20.0% 80.0% -6.6
Minnesota 1-4-0 20.0% 80.0% -14.9
Northwestern 1-4-0 20.0% 80.0% -11.9