| Joined | Country | % Correct | |
|---|---|---|---|
| C | original | China | 98%
|
| I | original | India | 98%
|
| R | original | Russia | 98%
|
| B | original | Brazil | 96%
|
| S | 2010 | South Africa | 86%
|
| 2024 | Iran | 65%
| |
| 2024 | Egypt | 58%
| |
| 2025 | Indonesia | 58%
| |
| 2024 | United Arab Emirates | 41%
| |
| 2024 | Ethiopia | 39%
|