| Characteristic | Supply | Demand |
|---|---|---|
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
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Sources
Release date
December 2013
Region
Worldwide
Survey time period
2013
Supplementary notes
Figures were rounded to provide a better understanding of the statistic.
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