What is every AFC North Division team's record against the over/under line as a favorite in the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Cleveland 2-1-0 66.7% 33.3% +4.5
Baltimore 5-3-0 62.5% 37.5% +5.4
Pittsburgh 4-4-0 50.0% 50.0% +3.3
Cincinnati 5-7-0 41.7% 58.3% -1.1