What is every Southwest Division team's record against the over/under line in division games since the 2008-2009 season?

Definitions
Team Over Record Over % Under % Total +/-
Dallas 130-134-6 49.2% 50.8% +0.7
Memphis 127-135-7 48.5% 51.5% -0.8
San Antonio 139-152-4 47.8% 52.2% -0.2
New Orleans 112-131-5 46.1% 53.9% -0.5
Houston 114-142-2 44.5% 55.5% -0.7