3
Barcelona 2017 Düsseldorf 2017 Hong Kong 2017 Singapore 2017 Tranoe 2016 Waiheke 2015 Neuss 2014 Ireland 2014 Nürtingen 2014 Neuss 2012 Düsseldorf 2012 Berlin 2012 Düsseldorf 2011 Berlin 2011 Düsseldorf 2010 Berlin 2010 Wattenbach 2010 Karlsruhe
  2008 Shànghǎi 2006 Lìjiāng 2005 Shànghǎi 2005 Denmark 2005 Berlin 2005