Carsten and I have been working on a TechNet Wiki article that maps out how TechNet Wiki languages have progressed, starting in August 2012. It uses Tomoaki's monthly updates/charts.
Here's the article:
Recently, Durval also added some helpful Return to top links in it as well!
You can click in the TOC to go to that part of the article…
As a teaser, we'll include Tomoaki's very first chart, from August 2012:
In the first chart, we should point out that English was far greater, maybe about 5-6K (it just wasn't tagged much yet). Portuguese had already made a huge push (led by Yuri and MVPs) to break the 1K articles barrier. They broke it quickly in 2011.
Here's the article again:
Special thanks to Tomoaki for doing this blog series, and to Carsten and Durval for helping with this article!
– Ninja Ed