What is every AFC West Division team's record against the over/under line in non-conference games since the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 21-22-0 48.8% 51.2% -0.8
Las Vegas 18-19-2 48.7% 51.4% -0.3
Denver 16-23-1 41.0% 59.0% +0.8
LA Chargers 15-22-2 40.5% 59.5% -0.1