What is every Southwest Division team's record against the over/under line as an underdog since the 2004-2005 season?

Definitions
Team Over Record Over % Under % Total +/-
San Antonio 292-260-11 52.9% 47.1% +0.5
Memphis 443-450-6 49.6% 50.4% +0.1
Dallas 333-340-7 49.5% 50.5% +0.6
Houston 356-375-7 48.7% 51.3% +1.2
New Orleans 446-495-12 47.4% 52.6% -0.1