What is every Southwest Division team's record against the over/under line as a road underdog since the 2014-2015 season?

Definitions
Team Over Record Over % Under % Total +/-
San Antonio 125-115-6 52.1% 47.9% 0.0
Houston 120-117-2 50.6% 49.4% +1.8
Memphis 136-140-3 49.3% 50.7% +1.1
Dallas 128-139-2 47.9% 52.1% +0.5
New Orleans 126-163-4 43.6% 56.4% -1.4