To add new dates, change view to All , highlight, and copy & paste into your own workspace. There is a way you can manually do it through excel, but it is not very intuitive.
We will update this database quarterly for your convenience!
(open the link above in a new tab, then watch the video below to learn how to do it in <1 min)
https://s3-us-west-2.amazonaws.com/secure.notion-static.com/847b22c1-c25f-4d6b-8ca2-75fbfe98231e/2020-05-01_20-41-02.mkv