| Characteristic | 2002 | 2015 | 2019 |
|---|---|---|---|
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
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Sources
Release date
November 2015
Region
Worldwide
Survey time period
2014
Supplementary notes
All figures have been converted from local currency to U.S. dollars based on either actual or forecast exchange rates.
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