Information compiled by Curt Gelin with assistance from Working Group members
| Number of farms | Estimated tonnage | |
| Belgium | 2 | 100 |
| Denmark | 30 | 1000 |
| France | 1 | 25 |
| Germany | 3 | 100 |
| Hungary | 1 | 50 |
| Italy | 120 | 1000 |
| The Netherlands | 35 | 1500 |
| Norway | 1 | 120 |
| Portugal | 2 | 40 |
| Spain | 4 | 155 |
| Sweden | 4 | 200 |
| United Kingdom | 1 | 25 |
| Greece | 3 | 25 |