The survey was open between 13th and 23rd November 2020
The results were to be published tentatively by the 10th of December at https://blog.navigraph.com but here we are a month later and no results.
source: https://www.vatsim.net/news/navigraph-community-survey-2020-live
Don’t know why they’re sitting on that data for so long
Tagging the developer @NAVData