Fiji - 1982
Honolulu, Hawaii, USA - 1987
Cambridge, Massachusetts, USA - 1984
Puerto Rico - 1989
Townsville, Australia - 1992
Singapore - 1997
Cambridge, Massachusetts, USA - 1994
Edmonton, Canada - 1999
Auckland, New Zealand - 2001
Phoenix, Arizona, USA - 2003
Harrogate, England - 2002
Melbourne, Australia - 2005
Norrkoping, Sweden - 2007
Belfast, Ireland - 2011
Kuala Lumpur, Malaysia - 2009
Wellington, New Zealand - 2013