| Length | Country | % Correct |
|---|---|---|
| 28 | Democratic Republic of the Congo | 98%
|
| 18 | Republic of the Congo | 96%
|
| 22 | Central African Republic | 94%
|
| 10 | South Sudan | 89%
|
| 8 | Cameroon | 85%
|
| 16 | Equatorial Guinea | 85%
|
| 6 | Angola | 81%
|
| 11 | Saudi Arabia | 79%
|
| 7 | Burundi | 77%
|
| 6 | Rwanda | 77%
|
| 18 | United Arab Emirates | 77%
|
| 4 | Chad | 75%
|
| 5 | Gabon | 75%
|
| 6 | Uganda | 75%
|
| 5 | Sudan | 74%
|
| 6 | Zambia | 74%
|
| 11 | Switzerland | 72%
|
| 13 | Liechtenstein | 70%
|
| 9 | Indonesia | 68%
|
| 14 | Papua New Guinea | 66%
|
| 12 | Turkmenistan | 62%
|
| 11 | Afghanistan | 60%
|
| 20 | Bosnia and Herzegovina | 45%
|
| 7 | Croatia | 42%
|
| 10 | Montenegro | 42%
|
| 6 | Serbia | 40%
|