Annual Meetings
| # | Year | Country | Town | Date | Members |
|---|
| 36 | 2028 | Cyprus | Pafos or Protaras | | |
| 35 | 2027 | Canada | Calgary | 13. - 17. 10 | |
| 34 | 2026 | Saudi Arabia | Riyadh | 4. - 8. 11 | |
| 33 | 2025 | Turkey | Istanbul | 15. - 19. 10 | |
| 32 | 2024 | Brazil | Santos | 23. - 27. 10 | 108 |
| 31 | 2023 | North Macedonia | Ohrid | 11. - 15. 10 | 108 |
| 30 | 2022 | Italy | Cervia | 5. - 9. 10 | 99 |
| 29 | 2021 | Belgium | Antwerpen | 3. - 7. 11 | 93 |
| 28 | 2020 | Switzerland | virtual | 14. - 18. 10 | 78 |
| 27 | 2019 | United States | Chicago | 16. - 20. 10 | 77 |
| 26 | 2018 | Lithuania | Vilnius | 10. - 14. 10 | 74 |
| 25 | 2017 | Switzerland | Luzern | 11. - 15. 10 | 70 |
| 24 | 2016 | Ukraine | Lviv | 26. - 30. 10 | 65 |
| 23 | 2015 | Sweden | Göteborg | 14. - 18. 10 | 63 |
| 22 | 2014 | Puerto Rico | San Juan | 12. - 16. 11 | 61 |
| 21 | 2013 | United Kingdom | Edinburgh | 31. 10. - 2. 11 | 60 |
| 20 | 2012 | Cyprus | Protaras | 31. 10. - 4. 11 | 57 |
| 19 | 2011 | Slovenia | Bled | 19. - 23. 10 | 51 |
| 18 | 2010 | Georgia | Tbilissi | 13. - 16. 10 | 50 |
| 17 | 2009 | Belarus | Minsk | 29. - 31. 10 | 47 |
| 16 | 2008 | Germany | Berlin | 16. - 19. 10 | 46 |
| 15 | 2007 | Austria | Graz | 18. - 21. 10 | 43 |
| 14 | 2006 | Spain | Barcelona | 11. - 15. 11 | 41 |
| 13 | 2005 | Bulgaria | Borovetz | 2. - 6. 11 | 36 |
| 12 | 2004 | Germany | Berlin | 13. - 17. 11 | 34 |
| 11 | 2003 | France | Paris | 6. - 9. 11 | 34 |
| 10 | 2002 | Italy | Rimini | 17. - 20. 11 | 31 |
| 9 | 2001 | Romania | Sinaia | 8. - 11. 11 | 31 |
| 8 | 2000 | Czech Republic | Celakovice | 19. - 22. 11 | 26 |
| 7 | 1999 | Spain | Valladolid | 22. - 24. 11 | 25 |
| 6 | 1998 | Slovenia | Ljubljana | 6. - 8. 11 | 23 |
| 5 | 1997 | Hungary | Budapest | 6. - 9. 11 | 20 |
| 4 | 1996 | Poland | Torun | 14. - 15. 12 | 18 |
| 3 | 1995 | Netherlands | Eindhoven | 9. - 10. 12 | 13 |
| 2 | 1995 | Poland | Torun | 11. - 12. 11 | 9 |
| 1 | 1995 | France | Paris | 14. - 15. 1 | 10 |
| 0 | 1994 | France | Strasbourg | 13. - 15. 6 | 10 |
| -1 | 1993 | France | Paris | 13. - 15. 5 | 0 |