What is every Big Ten Conference team's record against the over/under line as an underdog in the 2005 season?

Definitions
Team Over Record Over % Under % Total +/-
Indiana 5-1-1 83.3% 16.7% +5.0
Minnesota 3-1-0 75.0% 25.0% +11.6
Michigan 2-1-0 66.7% 33.3% +0.2
Michigan St 2-2-0 50.0% 50.0% +6.5
Penn St 1-1-0 50.0% 50.0% -2.5
Northwestern 4-5-0 44.4% 55.6% +5.1
Illinois 3-6-0 33.3% 66.7% -1.1
Iowa 1-3-0 25.0% 75.0% -5.1
Wisconsin 1-3-0 25.0% 75.0% -3.8
Purdue 1-3-0 25.0% 75.0% -2.3
Ohio St 0-0-1 0.0% 0.0% 0.0