| Country | Number |
| India | 16.6 |
| Mexico | 13.0 |
| Russia | 10.6 |
| China | 10.0 |
| Bangladesh | 7.5 |
| Syria | 6.9 |
| Pakistan | 6.0 |
| Ukraine | 5.9 |
| Philippines | 5.7 |
| United Kingdom | 4.9 |
| Afghanistan | 4.8 |
| Poland | 4.7 |
| Indonesia | 4.2 |
| Germany | 4.2 |
| Kazakhstan | 4.1 |
| Palestine | 3.8 |
| Romania | 3.6 |
| Turkey | 3.4 |
| Egypt | 3.4 |
| Italy | 3.0 |
| Total | 126.3 |