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

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 1-0-0 100.0% 0.0% +0.5
Denver 5-2-1 71.4% 28.6% +4.4
Las Vegas 2-2-0 50.0% 50.0% -2.1
LA Chargers 3-3-0 50.0% 50.0% -4.3