History
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2008 - Stockholm (Sweden)
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2005 - Coimbra (Portugal)
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2002 - Trento (Italy)
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1999 - Chiba (Japan)
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1997 - Crete (Greece)
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1995 - Zakopane (Poland)
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1993 - Toledo (Spain)
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1990 - Montreal (Canada)
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1987 - Irsee (Germany)
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1984 - Maubuisson (France)
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1981 - Montecatini (Italy)