What is every Southwest Division team's record against the over/under line as an underdog in the 2017-2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Memphis 32-29-0 52.5% 47.5% +0.4
New Orleans 20-21-1 48.8% 51.2% -1.2
San Antonio 13-16-0 44.8% 55.2% -2.7
Dallas 26-34-1 43.3% 56.7% -1.8
Houston 2-8-1 20.0% 80.0% -12.6