|

| 2010, |
Jun 26 - 30 |
Alexandria, Egypt |
| 2008, |
Jun 27 - Jul 02 |
Chicago, Illinois/USA |
| 2006, |
Jul, 24 - 27 |
Melbourne, Australia |
| 2004, |
Jul, 04 - 08 |
Valencia, Spain |
| 2002, |
Jul 28 - Aug 01 |
Wichita, Kansas/USA |
| 2000, |
Jul, 09 - 13 |
Montreal, Canada |
| 1998, |
Jun 28 - Jul 02 |
London, United Kingdom |
| 1996, |
Jul, 13 - 19 |
Osaka, Japan |
| 1994, |
Jul, 10 - 16 |
Cocoa, Florida/USA |
| 1992, |
Jun, 24 - 28 |
Salt Lake City, Utah/USA |
| 1990, |
Jul, 15 - 19 |
Borlänge, Sweden |
| 1988, |
Jun 29 - Jul 03 |
Richmond, Virginia/USA |
| 1986, |
Jun 29 - Jul 04 |
Tucson, Arizona/USA |
| 1984, |
Jul, 01 - 05 |
Monterrey, Mexico |
| 1982, |
Jul, 26 - 30 |
Vancouver, Canada |
| 1980, |
Aug, 17 - 20 |
Chicago, Illinois/USA |
| 1978, |
Aug, 06 - 10 |
Washington, D.C./USA |
| 1976, |
Aug, 06 - 12 |
Boulder, Colorado/USA |
| 1974, |
Dez, 07 - 12 |
Atlanta, Georgia/USA |
| 1972, |
Nov, 12 - 18 |
Cupertino, California/USA |
| 1970, |
Oct, 21 - 23 |
East Lansing, Michigan/USA |
|