2000
Heilbronn,
Germany		 2002
Riga,
Latvia		 2004
Turku,
Finland		 2006
Devens, MA,
United States		 2008
Vancouver, B.C.,
Canada		 2010
Heilbronn,
Germany		 2012
Dublin,
Ireland		 2014
Lecco,
Italy		 2016
Wroclaw,
Poland		 2018
Waterloo,
Canada		 2022
Wroclaw,
Poland		 2024
Birmingham,
Great Britain
1. United States Canada Canada United States Japan Colombia Colombia United States Canada United States United States France
2. Canada Sweden United States Canada Australia Canada United States Canada United States Colombia France United States
3. Finland Latvia Sweden Australia United States United States Canada Colombia Colombia Canada Canada Italy
4. Sweden Finland Japan Finland Colombia Australia Germany Austria The Netherlands Germany Italy Canada
5.    Finland  Canada Sweden Italy Germany France The Netherlands Czech Republic New Zealand
6.    Australia  Great Britain Italy Sweden Italy New Zealand Japan New Zealand Japan
7.    Great Britain  Finland Japan Australia Japan Germany Australia Austria Great Britain
8.       Finland Japan  Switzerland New Zealand Germany Germany
9.       Latvia  France Russia France Poland Singapore
10.       Germany Great Britain Finland Czech Republic Italy Great Britain Australia
11.       Great Britain Russia Latvia Japan Great Britain  Ireland
12.       Israel France Great Britain Italy Mexico  
13.       Austria Ireland Switzerland Australia China  
14.       Belgium  Australia Austria   
15.        Finland Ireland Slovakia   
16.         New Zealand Poland   
17.         The Netherlands Slovenia   
18.         Poland Finland   
19.         Israel Great Britain   
20.          Ireland   
Placing not known