Linux is only 3.83% of worldwide marketshare for Desktop OS only (excluding mobile or tablet):
View attachment 342707
Here's worldwide traffic, for all platforms (desktop, mobile and tablet):
View attachment 342708
In Summary:
Linux is basically <1% of worldwide traffic.
OSX (aka MacOS) is only 6% marketshare of worldwide traffic.
Windows is 29% marketshare of worldwide traffic.
So if we were to do a survey, I would expect 1% of ASR users to use Linux as a daily driver.
Maybe slightly more since ASR users are more technically minded.