1998
Minneapolis, MN,
United States		 2000
Heilbronn,
Germany		 2004
Turku,
Finland		 2008
Vancouver, B.C.,
Canada		 2012
Sakai,
Japan		 2016
London,
Great Britain		 2024
Gold Coast,
Australia
1. Canada United States United States Canada Canada United States United States
2. United States Canada Canada Japan Australia Australia Canada
3. Germany Finland New Zealand United States Japan Canada France
4. Brazil Great Britain Germany Australia United States France Australia
5.   New Zealand Australia Great Britain Great Britain Great Britain Italy
6.   Germany Czech Republic Germany Germany Japan Singapore
7.   Japan Great Britain France Philippines Philippines Germany
8.   Switzerland Japan Chinese Taipei France Colombia Japan
9.   Sweden Finland Italy Russia Czech Republic Great Britain
10.   Austria Switzerland Colombia Colombia  Colombia
11.   Czech Republic Sweden Hong Kong Hong Kong  Switzerland
12.   Ireland France Mexico China  Chinese Taipei
13.   Brazil South Africa  Finland Austria New Zealand
14.      The Netherlands  Austria
15.      South Africa  India
16.        Argentina
17.       Belgium China
18.        Panama
19.        Malaysia
20.        Republic of Korea
21.       Denmark Hong Kong
22.        
23.        
24.        
25.       Israel 
26.       India 
27.       Finland 
28.       Republic of Korea 
29.       Mexico 
30.       China 
Placing not known