| Origin | Share |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
The chart is not accessible to screen readers. Please switch to the table view to access the data.
Download
Source
In cooperation with
WTO
Release date
June 2013
Region
United States
Survey time period
2012
Supplementary notes
A list of sources can be found on page 207.
Citation formats









