What is every Southwest Division team's record against the over/under line in division games since the 2007-2008 season?

Definitions
Team Over Record Over % Under % Total +/-
Dallas 141-144-6 49.5% 50.5% +0.7
Memphis 136-142-7 48.9% 51.1% -0.8
San Antonio 147-166-5 47.0% 53.0% -0.4
New Orleans 125-145-6 46.3% 53.7% -0.2
Houston 121-151-2 44.5% 55.5% -0.7