1989 (11. February)
1990 (3. March)
1991 (6. May)
1992 (15. February)
1992 (22. March)
2006 (13.-15. July)
2006 (3.-5.August)
2007 (24.-25. March)
2007 (20./21. April)
2007 (28. April)
2009 (22.-24. May)
2009 (22.-24. May)