This is the data from the Performance Curve Database, downloaded on August 29, 2020. It was created because I had some trouble downloading the raw CSV data from the website.
From the site:
If you use the database please cite the database itself (http://pcdb.santafe.edu) and the following publication: Nagy B, Farmer JD, Bui QM, Trancik JE, Statistical basis for predicting technological progress, PLoS One, 2013, Vol. 8, e52669 link. The database can be used freely with attribution.
https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0052669&type=printable