Software used in research based on combined surveys

The combined results of five surveys run by the Software Sustainability Institute, which were run between 2014 to 2016. The data relate to 1261 survey participants who were asked “What software do you use in your research?”. The data are described here: https://www.software.ac.uk/blog/2016-08-13-quick-and-dirty-analysis-software-being-used-research-python-matlab-and-r