Year - Place
2021 - Bourges, France
2019 - Cornaredo, Italy
2017 - Frankfurt, Germany
2015 - Moscow, Russia
2013 - Amsterdam, The Netherlands
2011 - Vienna, Austria
2008 - Stockholm, Sweden
2006 - Cornaredo, Italy
2004 - Hannover, Germany
2002 - Basel, Switzerland
2000 - Paris, France
1997 - Leiden, The Netherlands
1995 - Munich, Germany
1993 - Porvoo, Finland
1991 - St. Laurent-du-Pape, France
1989 - Hamburg, Germany
