This data is from www.opensecret.org. This is each industry's lobbying spending from 1998-2015.
FYI: Misc includes: business services, advertising, etc.
The chart employs conventional margins and a number of D3 features:
- d3.tsv - load and parse data
- d3.format - format percentages
- d3.scale.ordinal - x-position encoding
- d3.scale.linear - y-position encoding
- d3.max - compute domains
- d3.svg.axis - display axes