| Characteristic | Spending in billion U.S. dollars |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Source
Release date
March 2014
Region
Worldwide
Survey time period
2011 to March 2014
Supplementary notes
* Forecast.
Figure for 2011 comes from an earlier publication.
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