What is every Southwest Division team's record against the over/under line in division games since the 2017-2018 season?

Definitions
Team Over Record Over % Under % Total +/-
New Orleans 49-54-3 47.6% 52.4% -0.8
Dallas 49-54-3 47.6% 52.4% +1.0
San Antonio 47-58-2 44.8% 55.2% -1.6
Houston 45-58-2 43.7% 56.3% -1.3
Memphis 44-58-4 43.1% 56.9% -2.0