What is every Big Ten Conference team's record against the over/under line as a home underdog in the 2006-2007 season?

Definitions
Team Over Record Over % Under % Total +/-
Purdue 1-0-0 100.0% 0.0% +1.0
Illinois 1-0-0 100.0% 0.0% +6.5
Minnesota 4-3-0 57.1% 42.9% +10.4
Penn St 3-4-0 42.9% 57.1% +6.1
Michigan 2-3-0 40.0% 60.0% -2.7
Northwestern 3-5-0 37.5% 62.5% -2.6
Iowa 1-3-0 25.0% 75.0% -4.3
Michigan St 0-1-0 0.0% 100.0% -3.5