| Rzeka | % Poprawnych |
|---|---|
| Wisła | 100%
|
| Dunaj | 94%
|
| Wołga | 94%
|
| Tamiza | 79%
|
| Loara | 76%
|
| Ren | 73%
|
| Dniepr | 70%
|
| Sekwana | 70%
|
| Łaba | 61%
|
| Tag | 58%
|
| Dniestr | 55%
|
| Don | 52%
|
| Pad | 48%
|
| Ebro | 45%
|
| Ural | 27%
|
| Peczora | 12%
|