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

Definitions
Team Over Record Over % Under % Total +/-
San Antonio 75-59-1 56.0% 44.0% +1.5
New Orleans 54-50-2 51.9% 48.1% +0.3
Memphis 64-63-1 50.4% 49.6% -0.3
Houston 64-64-2 50.0% 50.0% -0.3
Dallas 31-60-1 34.1% 65.9% -5.5