What is every National League West team's record against the over/under line as an underdog since the 2012 season?

Definitions
Team Over Record Over % Under % Total +/-
San Diego 541-548-43 49.7% 50.3% +0.5
Arizona 521-539-48 49.2% 50.9% +0.6
LA Dodgers 134-143-9 48.4% 51.6% +0.3
SF Giants 417-451-51 48.0% 52.0% +0.3
Colorado 604-655-56 48.0% 52.0% +0.3