What is every Southwest Division team's record against the over/under line as a home underdog since the 2012-2013 season?

Definitions
Team Over Record Over % Under % Total +/-
San Antonio 80-59-1 57.6% 42.5% +2.4
New Orleans 105-94-2 52.8% 47.2% +1.2
Memphis 91-88-1 50.8% 49.2% +0.2
Houston 77-82-2 48.4% 51.6% -0.8
Dallas 69-86-4 44.5% 55.5% -0.9