What is every AFC West Division team's record against the over/under line as a road favorite since the 2012 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 37-25-0 59.7% 40.3% +3.0
Denver 20-25-0 44.4% 55.6% -0.7
LA Chargers 14-18-1 43.8% 56.3% -2.0
Las Vegas 8-13-1 38.1% 61.9% -3.8