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

Definitions
Team Over Record Over % Under % Total +/-
Las Vegas 129-123-7 51.2% 48.8% +1.1
Denver 123-132-4 48.2% 51.8% +0.5
LA Chargers 122-132-5 48.0% 52.0% +0.5
Kansas City 118-137-4 46.3% 53.7% -0.3