iOS market share by versions
Is there an information about which versions of iOS are currently installed on user's devices? 
(Something like this for android http://developer.android.com/resources/dashboard/platform-versions.html)
iOS market share by versions
===

Is there an information about which versions of iOS are currently installed on user's devices? 
(Something like this for android http://developer.android.com/resources/dashboard/platform-versions.html)