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

Definitions
Team Over Record Over % Under % Total +/-
Kansas City 3-1-0 75.0% 25.0% +8.9
LA Chargers 2-2-0 50.0% 50.0% -2.5
Denver 2-2-0 50.0% 50.0% -0.5
Las Vegas 1-3-0 25.0% 75.0% -0.9