Interactive Bubble Chart

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js

https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js

https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js