| Characteristic | Spend in billion U.S. dollars |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Release date
May 2019
Region
Worldwide
Survey time period
2014 to 2018
Supplementary notes
*Forecast.
Figures have been rounded.
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