| 2025 |
São Paulo, Brazil [photos] |
| 2024 |
Karlsruhe, Germany |
| 2023 |
Atlanta, USA [photos] |
| 2022 |
Tampere, Finland |
| 2021 |
Brno, Czech Republic |
| 2020 |
Rimini, Italy |
| 2019 |
Singapore, Singapore |
| 2018 |
Maastricht, Netherlands |
| 2017 |
Rennes, France |
| 2016 |
Vancouver, Canada |
| 2015 |
Nice, France |
| 2014 |
Cambridge, USA |
| 2013 |
Zaragoza, Spain |
| 2012 |
Krakow, Poland |
| 2011 |
Hangzhou, China |
| 2010 |
Belfast, Northern Ireland |
| 2009 |
Park City, Utah, USA [photos] |
| 2008 |
Bologna, Italy |
| 2007 |
Durham, North Carolina, USA [photos] |
| 2006 |
Valencia, Spain [photos] |
| 2005 |
Lyon, France |
| 2004 |
Chicago, Illinois, USA [photos] |
| 2003 |
Thessaloniki Chalkidiki, Greece [photos] |
| 2002 |
Memphis, Tennesee, USA [photos] |
| 2001 |
Rotterdam, The Netherlands [photos] |
| 2000 |
Cambridge, Massachusetts, USA |
| 1999 |
Hanover, Germany |
| 1998 |
Cleveland, Ohio, USA |
| 1997 |
Lund, Sweden [photos] |
| 1996 |
Indianapolis, Indiana, USA |
| 1995 |
Vienna, Austria |
| 1994 |
Bethesda, Maryland, USA |
| 1993 |
London, UK |
| 1992 |
Durham, North Carolina, USA |
| 1991 |
Venice, Italy |
| 1990 |
Chicago, Illinois, USA |
| 1989 |
Jerusalem, Israel |
| 1988 |
Washington, DC, USA |
| 1987 |
Leuven, Belgium |
| 1986 |
Cambridge, Massachusetts, USA |
| 1985 |
Linköping, Sweden |
| 1984 |
Park City, Utah, USA |
| 1983 |
Aachen, Germany |
| 1982 |
Seattle, Washington, USA |
| 1981 |
Florence, Italy |
| 1980 |
Williamsburg, Virginia, USA |
| 1979 |
Geneva, Switzerland |
| 1978 |
Stanford, California, USA |
| 1977 |
Rotterdam, The Netherlands |
| 1976 |
St. Louis, Missouri, USA |
| 1975 |
Rotterdam, The Netherlands |
| 1974 |
Bethesda, Maryland, USA |
