| 2005: |
Wroclaw-Krzyzowa, Poland |
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| 2004: |
Sevilla & Rinconada, Spain |
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| 2000: |
Bielefeld, Germany |
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| 1998: |
Montemor -O- Novo, Portugal |
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| 1996: |
Copenhagen, Denmark |
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| 1995: |
Umeå, Sweden |
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| 1994: |
Londrina, Brazil |
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| 1992: |
Brecon and Cardiff,
United Kingdom |
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| 1990: |
Bologna, Italy |
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| 1987: |
Salento, Italy |
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| 1986: |
Holstebro, Denmark |
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| 1985: |
Blois and Malakoff, France |
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| 1981: |
Volterra and Pontedera, Italy |
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| 1980: |
Bonn, Germany |