| year | Country | % Correct |
|---|---|---|
| 2011 | South Sudan | 98%
|
| 2000 | Serbia | 83%
|
| 2006 | Montenegro | 77%
|
| 1992 | Slovenia | 74%
|
| 1993 | Slovakia | 72%
|
| 1992 | Croatia | 71%
|
| 1993 | North Macedonia | 70%
|
| 1993 | Czech Republic | 67%
|
| 1992 | Bosnia and Herzegovina | 65%
|
| 1992 | Kazakhstan | 63%
|
| 1992 | Turkmenistan | 63%
|
| 1992 | Moldova | 62%
|
| 1992 | Uzbekistan | 62%
|
| 1992 | Azerbaijan | 60%
|
| 1992 | Kyrgyzstan | 60%
|
| 1992 | Tajikistan | 60%
|
| 1992 | Georgia | 59%
|
| 1992 | Armenia | 58%
|
| 1993 | Eritrea | 34%
|
| 1994 | Palau | 31%
|