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

Definitions
Team Over Record Over % Under % Total +/-
Baltimore 5-6-0 45.5% 54.6% -1.4
Pittsburgh 5-7-0 41.7% 58.3% -0.8
Cincinnati 3-5-0 37.5% 62.5% 0.0
Cleveland 1-2-0 33.3% 66.7% +5.2