The State of Developer Ecosystem 2017
https://www.jetbrains.com/research/devecosystem-2017/?utm_campaign=Hung%20Lee&utm_medium=email&utm_source=Revue%20newsletterREPORT
Issue #42
23 Apr 2020
Over 5,200 developers share their insights on modern technologies, programming languages, frameworks, and tools of choice for software development. Decent survey here collating data from 2016-2017