 |
|
| 12th World Congress |
- |
2010 |
Leipzig, Germany |
| 11th World Congress |
- |
2008 |
Yokohama, Japan |
| 10th World Congress |
- |
2006 |
Paris, France |
| 9th World Congress |
- |
2004 |
Melbourne, Australia |
| 8th World Congress |
- |
2002 |
Amsterdam, The Netherlands |
| 7th World Congress |
- |
2000 |
Montreal, Canada |
| 6th World Congress |
- |
1996 |
Tampere, Finland |
| 5th World Congress |
- |
1992 |
Chicago, U.S.A. |
| 4th World Congress |
- |
1989 |
Lugano, Switzerland |
| 3rd World Congress |
- |
1986 |
Stockholm, Sweden |
| 2nd World Congress |
- |
1983 |
Cannes, France |
| 1st World Congress |
- |
1980 |
Estoril, Portugal |
|
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