What is every AFC West Division team's record against the over/under line as a favorite in the 2009 season?

Definitions
Team Over Record Over % Under % Total +/-
LA Chargers 8-4-1 66.7% 33.3% +3.3
Denver 4-2-0 66.7% 33.3% +6.7
Kansas City 1-1-0 50.0% 50.0% +9.5
Las Vegas 0-1-0 0.0% 100.0% -10.5