What is every AFC West Division team's record against the over/under line as a favorite since the 2008 season?

Definitions
Team Over Record Over % Under % Total +/-
Denver 71-69-3 50.7% 49.3% +0.7
Las Vegas 35-36-3 49.3% 50.7% +1.1
LA Chargers 69-80-4 46.3% 53.7% +0.4
Kansas City 78-99-0 44.1% 55.9% -1.0