| Country | count |
|---|---|
| Brazil | 28 |
| Japan | 21 |
| Peoples Rep China | 14 |
| United States | 9 |
| England, UK | 9 |
| Iran | 8 |
| South Africa | 8 |
| Switzerland | 6 |
| India | 6 |
| Canada | 5 |
| Bangladesh | 5 |
| Turkey | 4 |
| Russia | 4 |
| Spain | 4 |
3 | |
| Taiwan | 2 |
| Singapore | 2 |
| Denmark | 2 |
| China | 2 |
| Australia | 2 |
| Ghana | 2 |
| Finland | 1 |
| Netherlands | 1 |
| Argentina | 1 |
| Pakistan | 1 |
| Scotland, UK | 1 |
| Ethiopia | 1 |
| Hong Kong | 1 |
| Nepal | 1 |
| France | 1 |
| Belgium | 1 |
| Egypt | 1 |
| Nigeria | 1 |