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

Definitions
Team Over Record Over % Under % Total +/-
LA Rams 18-13-0 58.1% 41.9% +0.8
Arizona 22-24-1 47.8% 52.2% +0.8
San Francisco 12-19-0 38.7% 61.3% -2.4
Seattle 5-10-1 33.3% 66.7% -5.8