Bubble chart created with d3Kit v3.
forked from kristw's block: d3Kit - Reusable
Updated missing url https://rawgit.com/twitter/d3kit/master/dist/d3kit.min.js to https://cdn.jsdelivr.net/gh/twitter/d3kit/dist/d3kit.min.js
https://d3js.org/d3.v4.min.js
https://rawgit.com/twitter/d3kit/master/dist/d3kit.min.js
https://unpkg.com/babel-core@5.8.38/browser.min.js