What is every Big Ten Conference team's record against the over/under line as a home underdog in the 2011-2012 season?

Definitions
Team Over Record Over % Under % Total +/-
Purdue 1-0-0 100.0% 0.0% +8.5
Northwestern 2-0-0 100.0% 0.0% +17.8
Illinois 2-1-0 66.7% 33.3% -0.3
Minnesota 2-1-0 66.7% 33.3% +9.3
Penn St 4-3-0 57.1% 42.9% +4.1
Nebraska 2-3-1 40.0% 60.0% +0.6
Iowa 2-4-0 33.3% 66.7% -5.1
Indiana 1-2-0 33.3% 66.7% -2.7
Wisconsin 0-1-0 0.0% 100.0% -6.5
Michigan 0-3-0 0.0% 100.0% -15.3