| Letter | Country | % Correct |
|---|---|---|
| O | Oman | 90%
|
| J | Japan | 89%
|
| U | United States | 89%
|
| F | France | 88%
|
| R | Russia | 84%
|
| D | Denmark | 84%
|
| C | China | 83%
|
| H | Hungary | 83%
|
| Q | Qatar | 83%
|
| Y | Yemen | 82%
|
| I | Italy | 81%
|
| C | Canada | 80%
|
| K | Kazakhstan | 80%
|
| A | Austria | 78%
|
| Z | Zambia | 76%
|
| U | Uzbekistan | 75%
|
| E | Estonia | 75%
|
| R | Romania | 71%
|
| C | Croatia | 67%
|
| M | Mongolia | 67%
|
| V | Vatican City | 65%
|
| G | Georgia | 60%
|
| N | North Korea | 60%
|
| P | Portugal | 60%
|
| T | Turkmenistan | 58%
|
| L | Liechtenstein | 57%
|
| B | Bosnia and Herzegovina | 55%
|
| S | Serbia | 54%
|