| Year | Country | % Correct |
|---|---|---|
| 2008 | Kosovo | 100%
|
| 1991 | North Macedonia | 100%
|
| 2003 | Serbia | 100%
|
| 1991 | Ukraine | 100%
|
| 1981 | Antigua and Barbuda | 90%
|
| 1991 | Armenia | 90%
|
| 1991 | Azerbaijan | 90%
|
| 1991 | Belarus | 90%
|
| 1992 | Bosnia | 90%
|
| 1991 | Croatia | 90%
|
| 1993 | Czechia | 90%
|
| 1993 | Eritrea | 90%
|
| 1991 | Georgia | 90%
|
| 1979 | Kiribati | 90%
|
| 1986 | Micronesia | 90%
|
| 2003 | Montenegro | 90%
|
| 1979 | Saint Lucia | 90%
|
| 1993 | Slovakia | 90%
|
| 1991 | Slovenia | 90%
|
| 1978 | Solomon Islands | 90%
|
| 2011 | South Sudan | 90%
|
| 2002 | Timor-Leste | 90%
|
| 1980 | Vanuatu | 90%
|
| 1975 | Comoros | 80%
|
| 1977 | Djibouti | 80%
|
| 1978 | Dominica | 80%
|
| 1991 | Kazakhstan | 80%
|
| 1991 | Kyrgyzstan | 80%
|
| 1986 | Marshall Islands | 80%
|
| 1991 | Moldova | 80%
|
| 1990 | Namibia | 80%
|
| 1994 | Palau | 80%
|
| 1983 | Saint Kitts and Nevis | 80%
|
| 1979 | Saint Vincent and the Grenadines | 80%
|
| 1991 | Tajikistan | 80%
|
| 1991 | Turkmenistan | 80%
|
| 1981 | Belize | 70%
|
| 1984 | Brunei | 70%
|
| 1976 | Seychelles | 70%
|
| 1975 | Suriname | 70%
|
| 1978 | Tuvalu | 70%
|
| 1991 | Uzbekistan | 70%
|
| 1975 | Cape Verde | 60%
|
| 1975 | Mozambique | 60%
|
| 1976 | Vietnam | 60%
|
| 1990 | Yemen | 60%
|
| 1975 | Angola | 50%
|
| 1975 | Papua New Guinea | 50%
|
| 1975 | Sao Tome and Principe | 50%
|
| 1988 | Palestine | 10%
|