What is every Southwest Division team's record against the over/under line as an underdog in the 2011-2012 season?

Definitions
Team Over Record Over % Under % Total +/-
San Antonio 12-5-0 70.6% 29.4% +2.3
Dallas 15-10-0 60.0% 40.0% +0.8
New Orleans 23-30-2 43.4% 56.6% -0.3
Houston 12-18-2 40.0% 60.0% -0.8
Memphis 8-19-0 29.6% 70.4% -5.5