What is every AFC West Division team's record against the over/under line as a home underdog in the 2011 season?

Definitions
Team Over Record Over % Under % Total +/-
LA Chargers 2-0-0 100.0% 0.0% +18.0
Denver 4-1-0 80.0% 20.0% +8.4
Las Vegas 2-1-0 66.7% 33.3% +6.5
Kansas City 0-4-0 0.0% 100.0% -8.9