1. Lisbon (2013)
  2. Rotterdam (2012)
  3. Uppsala (2011)
  4. Leuven (2010)
  5. Santiago (2009)
  6. Cambridge (2008)
  7. Helsinki (2007)
  8. Budapest (2006)
  9. Caserta (2005)
  10. Paris (2004)
  11. Cologne (2003)
  12. Lausanne (2002)
  13. Lisbon (2001)
  14. Maastricht (2000)
  15. Stockholm (1999)
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