What is every AFC North Division team's record against the over/under line as a home underdog in the 2012 season?

Definitions
Team Over Record Over % Under % Total +/-
Baltimore 1-1-0 50.0% 50.0% +1.3
Cleveland 2-4-0 33.3% 66.7% -5.3
Cincinnati 1-2-0 33.3% 66.7% -0.8
Pittsburgh 0-1-0 0.0% 100.0% -17.5