What is every Southwest Division team's record against the over/under line as a home underdog since the 2018-2019 season?

Definitions
Team Over Record Over % Under % Total +/-
San Antonio 72-55-1 56.7% 43.3% +2.0
Memphis 54-49-1 52.4% 47.6% +0.2
New Orleans 49-46-1 51.6% 48.4% +0.3
Houston 63-61-2 50.8% 49.2% +0.1
Dallas 21-46-0 31.3% 68.7% -6.1