What is every Southwest Division team's record against the over/under line as a favorite ?

Definitions
Team Over Record Over % Under % Total +/-
New Orleans 373-349-9 51.7% 48.3% +0.4
Houston 493-518-18 48.8% 51.2% -0.3
Dallas 537-567-17 48.6% 51.4% 0.0
San Antonio 617-668-16 48.0% 52.0% +0.2
Memphis 375-445-15 45.7% 54.3% -0.3