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| Country | Number of participants |
|---|---|
| Austria | 2 |
| Belgium | 4 |
| Denmark | 1 |
| Finland | 2 |
| France | 9 |
| Germany | 12 |
| Greece | 1 |
| Hungary | 2 |
| Italy | 7 |
| Netherlands | 4 |
| Norway | 1 |
| Poland | 3 |
| Spain | 3 |
| Sweden | 6 |
| Turkey | 4 |
| UK | 9 |
| No response | 1 |
