1924	Paris, France		1928	Amsterdam, Netherlands
	1931	Nürnberg, Germany		1935	London, Great Britain
	1939	Stockholm, Sweden		1949	Copenhagen, Denmark
	1953	Brussels, Belgium		1957	Milan, Italy
	1961	Helsinki, Finland		1965	Washington, DC
	1969	Belgrade, Serbia		1973	Malmo, Sweden
	1977	Bucharest, Romania		1981	Köln, Germany
	1985	Los Angeles, CA		1989	Christchurch, New Zealand
	1993	Sofia, Bulgaria		1997	Copenhagen, Denmark
	2001	Rome, Italy		2005	Melbourne, Australia
	2009	Taipei, Chinese Taipei		2013	Sofia, Bulgaria
	2017	Samsun, Turkey		2021	Caxias do Sul, Brazil