What is every AFC West Division team's record against the over/under line as a home underdog since the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 3-1-0 75.0% 25.0% +4.0
Las Vegas 21-14-0 60.0% 40.0% +2.3
Denver 12-18-0 40.0% 60.0% -2.0
LA Chargers 7-11-0 38.9% 61.1% -4.7