Hi Leopold,
I'm not sure which survey you're asking about. From this thread,
http://ros-users.122217.n3.nabble.com/ROS-Release-Timeline-td4020078.html I
found two survey results. I think the first one is the one you want.
This one covers more of the OS Versions
https://drive.google.com/open?id=0BzNmzxy4pVGMNDdxNFNDblJTN1k
This covers more of the ROS Versions
https://drive.google.com/open?id=0BzNmzxy4pVGMZHd2b1BSWVlHVHM
Note that these were collected in the middle of 2013.
Tully
On Wed, Jul 1, 2015 at 8:05 AM, Jochen Sprickerhof via ros-users <
ros-users@lists.ros.org> wrote:
> Some of it is over here:
> http://roscon.ros.org/2013/wp-content/uploads/2013/05/maintainership.pdf
>
> Maybe Tully still has the rest?
>
> Cheers Jochen
>
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