That means : only just over 50% ! How disappointing.
From what I have seen, and having used it on a spare iPHONE4, it is very clean and user friendly.
The new app to enable a phone to be locked properly - not possible to wipe & re-set without the additional security input only known to owner - it is absolutely great. I would have thought that, since there's only about month to go, more devs would be having their apps ready to go on IOS7.