15% is from this paper as I recall it: http://ttendency.cs.ucl.ac.uk/projects/type_study/documents/type_study.pdf http://ttendency.cs.ucl.ac.uk/projects/type_s

15% is from this paper as I recall it: http://ttendency.cs.ucl.ac.uk/projects/type_study/documents/type_study.pdf http://ttendency.cs.ucl.ac.uk/projects/type_study/documents/... https://blog.acolyer.org/2017/09/19/to-type-or-not-to-type-quantifying-detectable-bugs-in-javascript/ https://blog.acolyer.org/2017/09/19/to-type-or-not-to-type-q...