What is every AFC West Division team's record against the over/under line in non-conference games since the 2011 season?

Definitions
Team Over Record Over % Under % Total +/-
Las Vegas 28-25-2 52.8% 47.2% +0.8
Denver 28-28-1 50.0% 50.0% +2.9
LA Chargers 26-27-2 49.1% 50.9% +1.4
Kansas City 27-32-0 45.8% 54.2% -1.0