• 2005 Germersheim (Germany)
  • 2004 Bergamo (Italy)
  • 2003 Tubingen (Germany)
  • 2002 Warsaw (Poland)
  • 2001 Prague (Czech Republic)
  • 2000 Kazimierz Dolny (Poland)
  • 1999 Torun (Poland)
  • 1998 Berlin (Germany)
  • 1997 Konstanz (Germany)