Date	Place	Countries	Men	Women
1961	Long Beach, USA	19	55	20
1963	Vichy, France	25
1965	Surfer's Paradise, Australia	19	70 total
1967	Sherbrooke, Canada	25	86 total
1969	Copenhagen, Denmark
1971	Banolas, Spain
1973	Bogota, Colombia	21	67	29
1975	Thorpe Park, Great Britain	33	71	26
1977	Milan, Italy	29	82	30
1979	Toronto, Canada	30	79	28
1981	Thorpe Park, Great Britain	30	95	24
1983	Gothenburg, Sweden	28	76	38
1985	Toulouse, France	31	80	33
1987	London, Great.Britain	32	87	39
1989	West Palm Beach, USA	35	91	37
1991	Villach, Austria	37	94	44
1993	Singapore, Singapore	36	105	50
1995	Roquebrune, France	44	120	60
1997	Medellin, Colombia	45	102	59
1999	Milan, Italy	38	128	78
2001	Recetto, Italy	32	94	60
2003	Orlando, USA	36	96	56
2005	Tianjin, China	27	83	48
2007	Linz, Austria	40	106	64
2009	Calgary, Canada