What is every Southwest Division team's record against the over/under line as an underdog since the 2007-2008 season?

Definitions
Team Over Record Over % Under % Total +/-
San Antonio 278-248-11 52.9% 47.2% +0.4
Dallas 312-311-7 50.1% 49.9% +0.9
Memphis 376-385-5 49.4% 50.6% 0.0
Houston 303-314-6 49.1% 50.9% +1.2
New Orleans 358-405-10 46.9% 53.1% 0.0