Bilateral Graph

http://www.theatlantic.com/international/archive/2010/10/china-and-international-rules-self-interested-or-malign/64747/

A bilateral graph is very similar to a bar graph or a histogram however it is, of course, bilateral. Bilateral graphs compare two or more sets of data in a visual graph. Sometimes bilateral graphs have multiple bars side by side and some bilateral graphs have bars that are opposite one another. This is an example of a bilateral graph. A bilateral graph can show 2 or more different sets of data on the same graph. This graph shows trade of clean energy products between the United States and China. The blue bars indicate exports, while the white bars indicate imports. The red bars show the trade deficit. It is clear, that the US has been importing far more clean energy products than it has exported from 2006 to 2010.