What is every Big Ten Conference team's record against the over/under line as a road underdog in the 2012 season?

Definitions
Team Over Record Over % Under % Total +/-
Nebraska 2-0-0 100.0% 0.0% +25.5
Wisconsin 2-0-0 100.0% 0.0% +3.5
Illinois 4-1-0 80.0% 20.0% +9.3
Penn St 3-1-0 75.0% 25.0% -0.3
Northwestern 3-1-0 75.0% 25.0% +15.8
Indiana 3-2-0 60.0% 40.0% +7.6
Minnesota 1-1-1 50.0% 50.0% +0.8
Purdue 1-2-0 33.3% 66.7% -6.8
Iowa 1-3-0 25.0% 75.0% -0.9
Ohio St 0-2-0 0.0% 100.0% -12.5
Michigan 0-3-0 0.0% 100.0% -21.3
Michigan St 0-2-0 0.0% 100.0% -16.3