[tex-live] TL 13 -- how many maintained installations are there?

[Philip Taylor]

Robin Fairbairns wrote:

> partial information isn't going to help, imo.

Partial information would at least us to place a lower bound on
the number of TeX Live installations, and if the exercise were
automatically repeated each year, would allow us to ascertain
whether the number of TeX Live installations appeared to be
going up, remaining steady, or declining over time.

** Phil.