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 54-52-2 50.9% 49.1% -0.1
Memphis 64-63-1 50.4% 49.6% -0.3
Houston 64-64-2 50.0% 50.0% -0.3
Dallas 31-61-1 33.7% 66.3% -5.5