What is every Big Ten Conference team's record against the over/under line as an underdog since the 2004-2005 season?

Definitions
Team Over Record Over % Under % Total +/-
Ohio St 98-81-1 54.8% 45.3% +2.3
Michigan 124-113-7 52.3% 47.7% +0.2
Penn St 180-168-3 51.7% 48.3% +1.3
Rutgers 184-176-5 51.1% 48.9% +0.8
Nebraska 171-168-4 50.4% 49.6% +0.7
Indiana 123-127-5 49.2% 50.8% 0.0
Purdue 90-93-0 49.2% 50.8% +1.6
Iowa 130-136-4 48.9% 51.1% +0.6
Maryland 114-121-3 48.5% 51.5% +0.2
Minnesota 147-160-4 47.9% 52.1% -0.2
Michigan St 72-82-3 46.8% 53.3% -0.7
Northwestern 150-176-6 46.0% 54.0% -0.3
Wisconsin 80-98-2 44.9% 55.1% -0.5
Illinois 99-122-3 44.8% 55.2% -1.2