What is every AFC West Division team's record against the over/under line as a favorite in the 2013 season?

Definitions
Team Over Record Over % Under % Total +/-
Denver 12-7-0 63.2% 36.8% +6.8
Las Vegas 1-1-0 50.0% 50.0% +5.5
Kansas City 6-7-0 46.2% 53.9% +5.3
LA Chargers 2-4-0 33.3% 66.7% -4.3