| joki | % Oikein |
|---|---|
| Niili | 96%
|
| Amazon | 92%
|
| Mississippi | 86%
|
| Keltainen | 82%
|
| Kongo | 65%
|
| Missouri | 60%
|
| Niger | 58%
|
| Jangtse | 56%
|
| Ob | 56%
|
| Lena | 54%
|
| Mekong | 44%
|
| Jenisei | 43%
|
| Amur | 42%
|
| Paraná | 29%
|
| Mackenzie | 28%
|