What is every AFC West Division team's record against the over/under line as a home underdog since the 2006 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 22-15-2 59.5% 40.5% +2.9
Las Vegas 44-37-2 54.3% 45.7% +1.9
Denver 22-26-1 45.8% 54.2% +0.3
LA Chargers 12-19-0 38.7% 61.3% -4.5