What is every Southwest Division team's record against the over/under line in division games in the 2012-2013 season?

Definitions
Team Over Record Over % Under % Total +/-
Dallas 8-7-1 53.3% 46.7% +0.2
San Antonio 10-10-0 50.0% 50.0% +3.4
Houston 7-9-0 43.8% 56.3% -0.1
New Orleans 7-9-0 43.8% 56.3% -3.4
Memphis 8-11-1 42.1% 57.9% -1.6