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

Definitions
Team Over Record Over % Under % Total +/-
Wisconsin 1-0-0 100.0% 0.0% +11.5
Penn State 1-0-0 100.0% 0.0% +13.5
Minnesota 3-1-0 75.0% 25.0% +0.8
Illinois 1-1-0 50.0% 50.0% -2.2
Iowa 1-1-0 50.0% 50.0% -4.8
Michigan St 1-1-0 50.0% 50.0% +7.2
Indiana 1-2-0 33.3% 66.7% -7.3
Purdue 0-1-0 0.0% 100.0% -23.5
Michigan 0-2-0 0.0% 100.0% -28.8
Northwestern 0-2-0 0.0% 100.0% -3.8