| Joki | % Oikein |
|---|---|
| Niili | 94%
|
| Amazon | 91%
|
| Mississippi | 80%
|
| Keltainenjoki | 60%
|
| Jangtse | 49%
|
| Kongo | 48%
|
| Niger | 42%
|
| Missouri | 39%
|
| Lena | 38%
|
| Ob | 36%
|
| Mekong | 34%
|
| Amur | 28%
|
| Jenisei | 28%
|
| Paraná | 19%
|
| Mackenzie | 16%
|