Stacked Area Chart In Javascript

A stacked area chart of transatlantic slave trace made with c3.js and the transatlantic slave trade database

The graph shows the counts for each region the slaves were disembarked by year. The html and javascript for this graph is on a gist here

The data used can be gotten from the slavevoyages.org website with the filters beloew

An actual graph you can play with is here and in the result tab below