|Oh yes, they can! Source: Distrowatch|
Teaches you a lesson, Shuttleworth! Mint has turned its back on you much like you did with Debian.
Find out about them here.
UPDATE: Regardless whether you think that Distrowatch is an accurate measurement on how popular a Linux Distribution is or not, all I have to say is the following; Since Linux is completely open and Log-free ,I see no better other way to know how many people out there are using whatever distro. Wanna count all the forums? Go ahead, but I won't hold my breath.
UPDATE (Feb): Turns out that Joey Sneddon solved the mystery. Short answer: Ubuntu still rules, Linux Mint is still just a fad, etc... Go get a life.
Nov 2011 by K. Zimmermann