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Geographic localization of 178 countries and territories with availability of complete data.
| No. (%) of countries/territories | |
|---|---|
| Africa | 52 (29) |
| Asia | 45 (25) |
| Europe | 41 (23) |
| North America | 21 (12) |
| South America | 12 (7) |
| Australia and Oceania | 7 (4) |
| Total | 178 (100) |
