| Country | Status | % Correct |
|---|---|---|
| Germany | Official | 100%
|
| Switzerland | Official | 95%
|
| Austria | Official | 92%
|
| Belgium | Official | 92%
|
| Liechtenstein | Official | 87%
|
| Luxembourg | Official | 87%
|
| Poland (Opole; Silesia) | Regional | 79%
|
| Italy (South Tyrol) | Regional | 56%
|