User blog comment:Kirkburn/Technical Update: May 14, 2013/@comment-452-20130515172601/@comment-452-20130516212056

The reason I was asking is because while there's 16 missing today, there's 33 missing from this day last year

But I assume you mean "the problem effecting all remaining missing wikis will be resolved", and that every day have 5000 wikis listed after it's fixed. :)