What is every Southwest Division team's record against the over/under line as a favorite since the 2012-2013 season?

Definitions
Team Over Record Over % Under % Total +/-
New Orleans 222-184-1 54.7% 45.3% +1.1
Dallas 249-254-6 49.5% 50.5% +0.2
Houston 284-290-12 49.5% 50.5% 0.0
San Antonio 305-312-6 49.4% 50.6% +0.2
Memphis 227-270-14 45.7% 54.3% -0.8