The first edition was organized in Austria in 2002.
| # | Year | Organizing country |
| 1. | 2002 | Austria |
| 2. | 2003 | Finland |
| 3. | 2004 | Estonia |
| 4. | 2005 | Lithuania |
| 5. | 2006 | Austria |
| 6. | 2007 | Belgium |
| 7. | 2008 | Norway |
| 8. | 2009 | Germany |
| 9. | 2010 | Luxembourg |
| 10. | 2011 | Poland |
| 11. | 2012 | Slovenia |
| 12. | 2013 | Austria |
| 13. | 2014 | Italy |
| 14. | 2015 | Estonia |
| 15. | 2016 | Austria |
| 16. | 2017 | Switzerland |
| 17. | 2018 | Hungary |
| 18. | 2019 | Sweden |
| – | 2020 | Romania (cancelled due to COVID-19) |
| – | 2021 | Latvia (cancelled due to COVID-19) |
| – | 2022 | Online |
| 19. | 2023 | Norway |
| 20. | 2024 | Romania |
| 21. | 2025 | Latvia |