[daveoc64]

The Steam Hardware Survey "Other Settings" section lists the prevalence of various extensions among users that have taken the survey:

https://store.steampowered.com/hwsurvey/Steam-Hardware-Softw...

The data set is a mixed bag though. Some types of system are going to be over-represented.

[janwas]

Yes, I've recently heard some mention of this survey being skewed/buggy, which is a pity because I do not know anything better. IIRC Linux systems were underrepresented.