What is every AFC West Division team's record against the over/under line in non-division games in the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Las Vegas 6-2-2 75.0% 25.0% +5.2
Kansas City 7-5-0 58.3% 41.7% +1.3
LA Chargers 4-6-0 40.0% 60.0% +2.0
Denver 4-8-1 33.3% 66.7% -1.6