| Letters | Country | % Correct |
|---|---|---|
| SP | Spain | 95%
|
| CR | Croatia | 91%
|
| GH | Ghana | 91%
|
| CY | Cyprus | 89%
|
| ZI | Zimbabwe | 89%
|
| RO | Romania | 84%
|
| IS | Israel | 83%
|
| UR | Uruguay | 83%
|
| VI | Vietnam | 83%
|
| EC | Ecuador | 82%
|
| HU | Hungary | 82%
|
| KE | Kenya | 82%
|
| BH | Bhutan | 81%
|
| JO | Jordan | 81%
|
| PE | Peru | 80%
|
| EL | El Salvador | 77%
|
| TH | Thailand | 77%
|
| ET | Ethiopia | 75%
|
| LU | Luxembourg | 71%
|
| HA | Haiti | 69%
|
| ER | Eritrea | 68%
|
| HO | Honduras | 64%
|
| ME | Mexico | 54%
|
| TR | Trinidad and Tobago | 54%
|