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

Definitions
Team Over Record Over % Under % Total +/-
Las Vegas 67-53-5 55.8% 44.2% +1.7
Denver 63-66-1 48.8% 51.2% +0.8
LA Chargers 59-66-2 47.2% 52.8% +0.3
Kansas City 66-80-0 45.2% 54.8% -0.7