No | Year | City | Country |
1 | 1954 | Helsinki | Finland |
2 | 1955 | Essen | Germany |
3 | 1958 | Helsingborg | Sweden |
4 | 1960 | Hamburg | Germany |
5 | 1963 | Cuernavaca & Mexico City | Mexico |
6 | 1967 | Malmo | Sweden |
7 | 1971 | Milwaukee | USA |
8 | 1975 | Tolworth | England |
9 | 1979 | Manila | Philippines |
10 | 1983 | Caracas | Venezuela |
11 | 1987 | Helsinki | Finland |
12 | 1991 | Singapore City | Singapore |
13 | 1995 | Reno, Nevada | USA |
14 | 1999 | Abu Dhabi | UAE |
15 | 2003 | Kuala Lumpur | Malaysia |
16 | 2006 | Busan | Korea |
17 | 2008 | Bangkok | Thailand |
18 | 2010 | Munich | Germany |
19 | 2013 | Las Vegas | USA |
20 | 2014 | Abu Dhabi | UAE |
21 | 2017 | Las Vegas | USA |
22 | 2018 | Hong Kong | China |