What is every AFC West Division team's record against the over/under line in non-conference games since the 2012 season?

Definitions
Team Over Record Over % Under % Total +/-
Las Vegas 24-25-2 49.0% 51.0% +0.3
LA Chargers 24-25-2 49.0% 51.0% +0.9
Denver 25-27-1 48.1% 51.9% +2.1
Kansas City 26-29-0 47.3% 52.7% -0.6