What is every NFC West Division team's record against the over/under line as a favorite since the 2012 season?

Definitions
Team Over Record Over % Under % Total +/-
San Francisco 64-59-2 52.0% 48.0% +0.7
Arizona 37-38-1 49.3% 50.7% -0.1
Seattle 66-73-0 47.5% 52.5% +0.3
LA Rams 43-60-2 41.8% 58.3% -0.9