| Letter | Country | % Correct |
|---|---|---|
| U | United Kingdom | 90%
|
| Y | Yemen | 87%
|
| O | Oman | 85%
|
| Q | Qatar | 85%
|
| Z | Zambia | 84%
|
| J | Japan | 82%
|
| F | Finland | 71%
|
| V | Vietnam | 70%
|
| H | Hungary | 69%
|
| I | Ireland | 67%
|
| P | Portugal | 67%
|
| N | Norway | 65%
|
| R | Romania | 63%
|
| E | Ethiopia | 62%
|
| A | Andorra | 55%
|
| T | Thailand | 54%
|
| K | Kuwait | 48%
|
| B | Bulgaria | 47%
|
| S | San Marino | 47%
|
| L | Lithuania | 46%
|
| G | Georgia | 43%
|
| C | Chile | 38%
|
| D | Dominican Republic | 33%
|
| M | Myanmar | 31%
|