The growth of Julia seems to be pretty slow. https://madnight.github.io/githut/ has, among other
things, values for the percentage of all Github pull requests in each
programming language. Here are the average values for 2014 through 2017
for Julia:
2014 : 0.18%
2015 : 0.24%
2016 : 0.22%
2017 : 0.25%
The Google+ URL for this post was
https://plus.google.com/+MatthewBrett/posts/TTKbXEsAPm9