What is every AFC West Division team's record against the over/under line in conference games in the 2012 season?

Definitions
Team Over Record Over % Under % Total +/-
Denver 9-3-1 75.0% 25.0% +3.7
LA Chargers 8-4-0 66.7% 33.3% -0.2
Las Vegas 6-6-0 50.0% 50.0% +0.2
Kansas City 4-7-1 36.4% 63.6% -6.8