What is every Big Ten Conference team's record against the over/under line as a favorite in the 2007-2008 season?

Definitions
Team Over Record Over % Under % Total +/-
Northwestern 4-0-0 100.0% 0.0% +19.5
Michigan St 14-9-0 60.9% 39.1% +1.8
Penn State 6-4-0 60.0% 40.0% +2.0
Indiana 15-11-0 57.7% 42.3% +2.2
Purdue 10-10-0 50.0% 50.0% -0.4
Michigan 4-4-0 50.0% 50.0% -3.6
Illinois 10-10-1 50.0% 50.0% -3.5
Ohio State 11-12-0 47.8% 52.2% +0.5
Minnesota 6-8-0 42.9% 57.1% +2.5
Wisconsin 9-20-0 31.0% 69.0% -6.0
Iowa 2-8-0 20.0% 80.0% -7.5