What is every Big Ten Conference team's record against the over/under line as a home underdog in the 2004 season?

Definitions
Team Over Record Over % Under % Total +/-
Michigan St 3-0-0 100.0% 0.0% +15.2
Ohio St 1-0-0 100.0% 0.0% +16.0
Iowa 1-0-0 100.0% 0.0% +2.0
Illinois 2-2-0 50.0% 50.0% -0.4
Northwestern 1-1-0 50.0% 50.0% -7.3
Penn St 1-1-0 50.0% 50.0% -2.8
Indiana 1-3-0 25.0% 75.0% -1.1