Probably not, because of caching and mirrors. There are many, many mirrors, including global CDNs. Debian makes no attempt at controlling package distribution.

Probably not, because of caching and mirrors. There are many, many mirrors, including global CDNs. Debian makes no attempt at controlling package distribution. Also packages are signed, but sent over HTTP to allow easy caching, and there are no-fuss caching packages in the repos. If you have a site with even a handful of debian or ubuntu machines, you would be well served to setup a cache to save bandwidth and improve update download times. This all results in making it impossible to get even remotely accurate statistics server side.