What is every Big Ten Conference team's record against the over/under line as an underdog since the 2003 season?

Definitions
Team Over Record Over % Under % Total +/-
Indiana 94-60-4 61.0% 39.0% +3.3
Michigan 36-25-0 59.0% 41.0% +2.5
Minnesota 66-58-2 53.2% 46.8% +0.4
Nebraska 48-44-1 52.2% 47.8% +2.3
Michigan St 53-49-0 52.0% 48.0% +0.9
Ohio St 16-15-1 51.6% 48.4% +2.6
Maryland 69-70-1 49.6% 50.4% +1.8
Purdue 66-67-6 49.6% 50.4% +0.2
Wisconsin 27-28-1 49.1% 50.9% 0.0
Penn St 34-39-2 46.6% 53.4% -0.5
Northwestern 66-78-4 45.8% 54.2% -0.2
Illinois 67-81-4 45.3% 54.7% -0.1
Rutgers 65-80-0 44.8% 55.2% 0.0
Iowa 37-55-0 40.2% 59.8% -3.9