Considering that the bugfix was released yesterday, I think it may be to early to tell if people are forgetting to do the security updates or not. 

I noticed that you don't have the stats for the 4.7.0 release.  It would be interesting to see how many downloaded it compared to 4.7.1. 

On 6/2/06, Gerhard Killesreiter <gerhard@killesreiter.de> wrote:
Dries Buytaert wrote:
>
> In light of the recent discussions (eg. supporting older versions), I
> created some graphs:
>
>   http://buytaert.net/drupal-download-statistics

Very interesting. I think that the download stats of the bugfix releases
are also intersting:

         June   May   Sum
4.6.7: 239   2003   2242
4.6.8: 228                228
4.7.1: 1153 7423   8576
4.7.2: 830                830

This is roughly 4:1 for 4.7 to 4.6.

The patches have been downloaded:

http://drupal.org/files/sa-2006-005/4.7.0.patch 1926
http://drupal.org/files/sa-2006-005/4.6.6.patch  1193

http://drupal.org/files/sa-2006-006/4.7.0.patch 1122

Numbers for May.

I am not sure how to interpret this numbers. They either indicate that
only a small percentage of the people who download Drupal actually build
a site with it or that we need to rais security awareness...

Cheers,
    Gerhard