Debian's popcon data might give a small clue about Debian installations.

According to that, 0.59% of Debian installations have SH3D installed. Of course, this number is skewed in many ways, but I think it's still a nice guesstimate.

Either way, I guess the previous poster just wanted to point out the fact that your numbers should not give you the impression that only a negligible part of your user base runs SH3D on Linux. We are very thin-skinned about this. :)

So, thanks a lot for your work! I am especially surprised such a great desktop application written in Java.