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 373-350-9 51.6% 48.4% +0.4
Houston 493-518-18 48.8% 51.2% -0.3
Dallas 541-571-17 48.7% 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