Reading and parsing a large JSON file, or large CSV file?

References:
1. [Software-engineering - csv vs json](https://softwareengineering.stackexchange.com/questions/368325/what-is-more-efficient-reading-and-parsing-a-large-json-file-or-large-csv-file)
2. [Box Plot](http://bl.ocks.org/ndarville/7075823)
3. [From CSV to HTML table](https://observablehq.com/@d3/box-plot)