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

Definitions
Team Over Record Over % Under % Total +/-
Las Vegas 38-27-1 58.5% 41.5% +2.7
Kansas City 13-12-2 52.0% 48.0% -0.5
Denver 20-26-0 43.5% 56.5% -0.2
LA Chargers 12-17-0 41.4% 58.6% -4.3