Here's a link I found with a quick google search:
https://www.minitool.com/partition-disk/what-happens-to-data...
According to this, JEDEC Solid State Technology Association's standard is that SSDs should be able to retain data for 1 year at 30C. Not great for an archival medium.
Here's a Quora discussion about it: https://www.quora.com/How-long-can-SSD-store-data-without-po...
Vendors will claim much better numbers than this, but the standard isn't very good.