| year | Country | % Correct |
|---|---|---|
| 2011 | South Sudan | 98%
|
| 2000 | Serbia | 83%
|
| 2006 | Montenegro | 77%
|
| 1992 | Slovenia | 75%
|
| 1993 | Slovakia | 73%
|
| 1992 | Croatia | 72%
|
| 1993 | North Macedonia | 70%
|
| 1993 | Czech Republic | 67%
|
| 1992 | Bosnia and Herzegovina | 66%
|
| 1992 | Turkmenistan | 64%
|
| 1992 | Kazakhstan | 63%
|
| 1992 | Uzbekistan | 61%
|
| 1992 | Kyrgyzstan | 60%
|
| 1992 | Moldova | 60%
|
| 1992 | Tajikistan | 60%
|
| 1992 | Azerbaijan | 59%
|
| 1992 | Georgia | 58%
|
| 1992 | Armenia | 57%
|
| 1993 | Eritrea | 34%
|
| 1994 | Palau | 33%
|