Do we actually have any statistics on what 'most people' are jailbreaking their iPhones for, or is this just guesswork? I am quite prepares to believe that mos

Do we actually have any statistics on what 'most people' are jailbreaking their iPhones for, or is this just guesswork? I am quite prepares to believe that most of the hackers who actually create the jailbreaks are doing so for ideological reasons, or for technical satisfaction, but what about all the people who just install the jailbreaks?