Hi Denny,
may be you can add the WP-language-code to this:
http://tinyurl.com/h2zky8p
then I hope I can merge some other tables
and search and fill empty fields by hand :-)
You are right:
the number of WP-languages varies on different questions.
Thanks for your help,
Markus
_WP-languages_
257: with more than 10 articles [1]
031: with 10 or less articles [2]
293: in table of WM projects [3], WD [8]
258: in template of WM projects ordered by code [4]
277: in de:WP [5]
401: the most found [6]
[1]
https://stats.wikimedia.org/EN/Sitemap.htm
[2]
https://stats.wikimedia.org/EN/Sitemap.htm
[3]
https://meta.wikimedia.org/wiki/Table_of_Wikimedia_projects
[4]
https://meta.wikimedia.org/wiki/Template:List_of_language_names_ordered_by_…
[5]
https://de.wikipedia.org/wiki/Wikipedia:Sprachen#cite_note-Sprachcode-2
[6]
http://tinyurl.com/h2zky8p
[7]
https://www.wikidata.org/wiki/Q5296#sitelinks-wikipedia