| joki | % Oikein |
|---|---|
| Niili | 96%
|
| Amazon | 90%
|
| Mississippi | 85%
|
| Keltainen | 81%
|
| Kongo | 64%
|
| Missouri | 59%
|
| Niger | 58%
|
| Jangtse | 55%
|
| Ob | 55%
|
| Lena | 53%
|
| Mekong | 44%
|
| Jenisei | 42%
|
| Amur | 41%
|
| Paraná | 29%
|
| Mackenzie | 27%
|