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

Definitions
Team Over Record Over % Under % Total +/-
Tennessee 38-39-2 49.4% 50.7% +0.4
Jacksonville 23-27-1 46.0% 54.0% -0.9
Houston 38-46-0 45.2% 54.8% -0.3
Indianapolis 44-56-0 44.0% 56.0% -0.9