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

Definitions
Team Over Record Over % Under % Total +/-
Michigan 72-58-2 55.4% 44.6% +1.1
Iowa 78-70-2 52.7% 47.3% +1.4
Nebraska 93-84-2 52.5% 47.5% +0.9
Michigan St 39-36-2 52.0% 48.0% -0.8
Penn St 88-82-2 51.8% 48.2% -0.1
Ohio St 53-52-1 50.5% 49.5% 0.0
Indiana 65-65-5 50.0% 50.0% -0.1
Rutgers 88-91-1 49.2% 50.8% +0.8
Purdue 43-46-0 48.3% 51.7% +0.1
Northwestern 80-87-4 47.9% 52.1% +0.3
Maryland 65-72-2 47.5% 52.6% -0.9
Minnesota 71-87-2 44.9% 55.1% -0.3
Wisconsin 44-56-1 44.0% 56.0% -1.7
Illinois 55-71-1 43.7% 56.4% -1.7