just for comparison: what is the percentage for the whole of wikimedia commons?

Unless I missed something (my SQL-fu is *very* rustry), around 8,7 million files (=53.6% of Commons) are used at least once in the main space of a Wikimedia project (excluding meta).

mysql> SELECT /* SLOW_OK */ COUNT(DISTINCT gil_to)
    ->     FROM `globalimagelinks`
    ->     WHERE gil_page_namespace_id = 0 AND (gil_wiki!='metawiki');
+------------------------+
| COUNT(DISTINCT gil_to) |
+------------------------+
|                8710633 |
+------------------------+
1 row in set (1 hour 10 min 51.32 sec)

I am not sure if this looks legit or if I definitely missed something.