| Letter | Country | % Correct |
|---|---|---|
| O | Oman | 98%
|
| S | Serbia | Singapore | Slovenia | Spain | Sudan | Suriname | Switzerland | Syria | 97%
|
| I | Iceland | Iran | Iraq | Ireland | Israel | Italy | 96%
|
| E | Ecuador | Egypt | Estonia | 95%
|
| B | Belarus | Belgium | Bhutan | Brazil | Brunei | 94%
|
| N | Nepal | Niger | Norway | 94%
|
| P | Peru | Poland | Portugal | 94%
|
| C | Chad | Chile | China | Cuba | Cyprus | 93%
|
| D | Denmark | 93%
|
| F | France | 93%
|
| G | Gabon | Germany | Guinea | 93%
|
| K | Kenya | Kuwait | 93%
|
| H | Honduras | Hungary | 91%
|
| L | Laos | Libya | 91%
|
| M | Maldives | Mali | Mexico | 91%
|
| T | Tonga | Turkey | 91%
|
| J | Jordan | 89%
|
| U | Ukraine | Uzbekistan | 88%
|
| V | Vietnam | 86%
|