CONGRESSES
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Soviet Union 1966
| Brazil 1967
| Columbia 1968
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Pakistan 1975
| Finland 1978
| Switzerland 1981
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Austria 1981
| Japan 1990
| French Polynesia 1993
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Iran 1994
| Hungary 1996
| Germany 1998
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Germany 1998
| South Korea 2000
| Spain 2006
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Portugal 2013
| Portugal 2013
| South Korea 2014
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South Korea 2014
| South Korea 2014
| South Korea 2014
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Sudan 2015
| Hong Kong 2016
| Hong Kong 2016
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Slovakia 2019
| Slovenia 2021
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