a year ago I've created some analysis on data in sharepoint.stackexchange. This year I decided to do same and compare some graphics to 2016.     
Here the link - [SharePoint development state in 2017: story based on sharepoint.stackexchange analysis with Power BI](http://spblog.net/post/2018/01/18/SharePoint-development-state-in-2017-story-based-on-sharepointstackexchange-analysis-with-Power-BI) please enjoy :)