| Place | Country | Date | Year | |
|---|---|---|---|---|
| 1st | Brussels | Belgium | 11 - 15 May | 1967 |
| 2nd | Munich | Germany | 01 - 04 September | 1971 |
| 3rd | Paris | France | 27 July - 01 August | 1975 |
| 4th | Copenhagen | Denmark | 21 - 27 July | 1979 |
| 5th | Luzern | Switzerland | 01 - 07 August | 1983 |
| 6th | Merano | Italy | 02 - 10 July | 1988 |
| 7th | Karsruhe | Germany | 10 - 17 August | 1992 |
| 8th | Sheffield | Great Britain | 10 - 17 August | 1996 |
| 9th | Kottingbrunn | Austria | 17 - 24 June | 2000 |
| 10th | Pau | France | 10 - 17 July | 2004 |
| 11th | Bucuresti | Romania | 12 - 19 July | 2008 |
| 12th | Koblenz | Germany | 14 - 21 July | 2012 |
