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 +/-
Penn St 1-0-0 100.0% 0.0% +13.5
Wisconsin 1-0-0 100.0% 0.0% +11.5
Minnesota 3-1-0 75.0% 25.0% +0.8
Michigan St 1-1-0 50.0% 50.0% +7.3
Illinois 1-1-0 50.0% 50.0% -2.3
Iowa 1-1-0 50.0% 50.0% -4.8
Indiana 1-2-0 33.3% 66.7% -7.3
Northwestern 0-2-0 0.0% 100.0% -3.8
Purdue 0-1-0 0.0% 100.0% -23.5
Michigan 0-2-0 0.0% 100.0% -28.8