| Year | Revenue in million U.S. dollars |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Source
Release date
February 2018
Region
Worldwide
Survey time period
2011 to 2017
Supplementary notes
Year ends December 31 of each respective year.
Figures have been rounded.
Data prior to 2013 have been taken from previous annual reports.
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