What is every AFC West Division team's record against the over/under line as a road underdog since the 2004 season?

Definitions
Team Over Record Over % Under % Total +/-
Denver 39-30-2 56.5% 43.5% +2.3
LA Chargers 45-36-2 55.6% 44.4% +2.5
Las Vegas 56-58-4 49.1% 50.9% +0.5
Kansas City 38-47-3 44.7% 55.3% -0.3