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 +/-
LA Chargers 49-43-2 53.3% 46.7% +2.6
Denver 43-44-1 49.4% 50.6% +0.9
Las Vegas 63-70-4 47.4% 52.6% +0.1
Kansas City 40-50-3 44.4% 55.6% -0.4