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

Definitions
Team Over Record Over % Under % Total +/-
Denver 2-3-1 40.0% 60.0% -6.9
Kansas City 2-3-1 40.0% 60.0% -3.5
Las Vegas 2-4-0 33.3% 66.7% -2.3
LA Chargers 2-4-0 33.3% 66.7% -7.1