Washington, D.C., U.S., May 25–29, 2015
Bremen, Germany, July 1–5, 2013
Singapore, May 2–6, 2011
Marseille, France, May 18–22, 2009
Thessaloniki, Greece, June 1–5, 2007
Samsun, Turkey, July 10–15, 2005
Strobl, Austria, May 26– 30, 2003
Orlando, U.S., May 13– 17, 2001
Loen, Norway, August 11– 14, 1999
Aveiro, Portugal, July 16– 19, 1997
Riga, Latvia, September 20– 22, 1995