| Letter | Country | % Correct |
|---|---|---|
| B | Brazil | 98%
|
| C | China | 98%
|
| G | Germany | 97%
|
| U | United States | 97%
|
| Y | Yemen | 97%
|
| Z | Zambia | 97%
|
| A | Argentina | 95%
|
| F | France | 95%
|
| I | India | 95%
|
| Q | Qatar | 95%
|
| O | Oman | 93%
|
| R | Russia | 92%
|
| V | Vietnam | 90%
|
| E | Ethiopia | 88%
|
| J | Japan | 88%
|
| N | Nigeria | 88%
|
| H | Haiti | 83%
|
| M | Mexico | 83%
|
| P | Pakistan | 83%
|
| T | Turkey | 78%
|
| D | D.R. Congo | 76%
|
| L | Laos | 75%
|
| K | Kenya | 73%
|
| S | South Africa | 73%
|