2006: Tsukuba, Japan
2005: Madison, United States of America
2004: Štrbské Pleso, Slovakia
2003: St Petersberg, Russia
2002: Krakow, Poland
2001: Bologna, Italy
2000: Liverpool, United Kingdom
1999: Zeuthen, Germany
1998: Brussels, Belgium
1997: Chicago, United State of America
1996: Rome, Italy
1995: Paris, France
1994: Eilat, Israel
1993: Durham, United Kingdom