This is a favorite of Edward Tufte. In The Visual Display of Quantitative Information, he cites it as an exemplar of high-data-density visualization, quoting a density of "better than 300 numbers per square inch"
This repo hosts a D3.js recreation of this visualization, made as a submission for an initial D3.js assignment for the class Data Visualization & Communication in the UC Berkeley Master of Information and Data Science program.
It is an initial effort only, and is currently work in progress. Subsequent iterations will clean up the code base, using Mike Bostock's convention for reusable charts add a range of interactions, including the ability to select other cities and other years.