| Letters | Country | % Correct |
|---|---|---|
| ABILRZ | Brazil | 99%
|
| AIRSU | Russia | 99%
|
| ADEINSTU | United States | 99%
|
| ACDN | Canada | 98%
|
| ACHIN | China | 98%
|
| ILRSTU | Australia | 97%
|
| CEMOX | Mexico | 97%
|
| EGNRT | Argentina | 96%
|
| DN | India | 96%
|
| HKTZ | Kazakhstan | 96%
|
| BCDEFGHLMOPT | D. R. Congo | 95%
|
| J | Japan | 95%
|
| EGLR | Algeria | 94%
|
| O | Indonesia | 94%
|
| VZ | Venezuela | 92%
|
| F | France | 91%
|
| KP | Pakistan | 90%
|
| BDSU | Saudi Arabia | 90%
|
| PY | Egypt | 89%
|
| MGO | Mongolia | 88%
|
| FH | South Africa | 88%
|
| BM | Colombia | 87%
|
| Q | Iraq | 87%
|
| BLY | Libya | 87%
|
| G | Niger | 87%
|
| Q | Qatar | 87%
|
| KY | Turkey | 87%
|
| QZ | Mozambique | 86%
|
| P | Peru | 86%
|
| SU | Sudan | 86%
|
| K | Ukraine | 86%
|
| V | Vietnam | 84%
|
| CH | Chad | 83%
|
| Y | Yemen | 83%
|
| M | Mali | 82%
|
| W | Sweden | 81%
|
| W | Zimbabwe | 81%
|
| V | Bolivia | 80%
|
| P | Ethiopia | 80%
|
| Z | Tanzania | 79%
|
| O | Angola | 78%
|
| KY | Kenya | 77%
|
| F | Afghanistan | 76%
|
| W | Norway | 76%
|
| J | Jordan | 72%
|
| J | Tajikistan | 69%
|
| F | Central African Republic | 68%
|
| W | Botswana | 65%
|
| W | Papua New Guinea | 65%
|
| J | Azerbaijan | 57%
|
| X | Luxembourg | 48%
|
| Q | Equatorial Guinea | 44%
|
| J | Djibouti | 42%
|
| V | Ivory Coast | 39%
|
| V | Latvia | 22%
|