| 28 | 2008 August 25-29 | Delft, The Netherlands |
| 27 | 2007 July 9-13 | Loughborough, UK |
| 26 | 2006 September 25-29 | Crete, Greece |
| 25 | 2005 July 25-28 | Berlin, Germany |
| 24 | 2004 September 13-17 | Palma de Mallorca, Spain |
| 23 | 2003 September 24-27 | Palma de Mallorca, Spain |
| 22 | 2002 July 15-19 | Heidelberg, Germany |
| 21 | 2001 June 5-8 | Dresden, Germany |
| 20 | 2000 June 20-23 | Guildford, UK |
| 19 | 1999 June 20-23 | Como, Italy |
| 18 | 1998 June 28-July 1 | Edinburgh, Scotland |
| 1997 | No meeting | |
| 17 | 1996 July 10-13 | Lyon, France |
| 16 | 1995 June 28-July 1 | Lyon, France |
| 15 | 1994 June 9-12 | Budapest, Hungary |
| 14 | 1993 June 9-12 | Rydzyna, Poland |
| 13 | 1992 June 10-13 | Rydzyna, Poland |
| 12 | 1991 June 12-15 | Berlin, Germany |
| 11 | 1990 June 20-23 | Düsseldorf, Germany |
| 10 | 1989 June 7-10 | Düsseldorf, Germany |
| 9 | 1988 June 15-18 | Düsseldorf, Germany |
| 8 | 1987 June 10-13 | Düsseldorf, Germany |
| 7 | 1986 June 3-6 | Enschede, The Netherlands |
| 6 | 1985 June 4-7 | Enschede, The Netherlands |
| 5 | 1984 June 5-8 | Enschede, The Netherlands |
| 4 | 1983 June 7-9 | Enschede, The Netherlands |
| 3 | 1982 May 25-26 | Enschede, The Netherlands |
| 2 | 1981 April | Enschede, The Netherlands |
| 1 | 1980 April 15-16 | Enschede, The Netherlands |