| Letter | Country | Difference | % Correct |
|---|---|---|---|
| V | Vietnam | -0.062 | 82%
|
| O | Oman | +0.031 | 77%
|
| Q | Qatar | +0.087 | 77%
|
| Y | Yemen | -0.364 | 77%
|
| Z | Zambia | -0.219 | 68%
|
| A | Albania | +0.001 | 59%
|
| J | Jordan | -0.052 | 59%
|
| F | Fiji | -0.059 | 55%
|
| H | Hungary | +0.063 | 55%
|
| K | Kazakhstan | +0.014 | 55%
|
| R | Russia | +0.033 | 55%
|
| T | Thailand | +0.015 | 55%
|
| U | Uruguay | +0.042 | 55%
|
| B | Bosnia and Herzegovina | -0.009 | 50%
|
| D | Dominican Republic | -0.022 | 50%
|
| I | Iran | -0.008 | 50%
|
| M | Mexico | -0.007 | 50%
|
| C | Costa Rica | +0.018 | 45%
|
| E | Ecuador | -0.023 | 41%
|
| L | Libya | -0.042 | 36%
|
| N | North Macedonia | -0.023 | 36%
|
| P | Palau | +0.009 | 36%
|
| G | Grenada | +0.005 | 32%
|
| S | Sri Lanka | -0.008 | 23%
|