- 2021 – Glasgow, United Kingdom
- 2019 – Vienna, Austria
- 2018 – Zürich, Switzerland
- 2016 – Vienna, Austria
- 2015 – Augsburg, Germany
- 2014 – Vienna, Austria
- 2013 – Shanghai, China
- 2012 – Munich, Germany
- 2011 – Vienna, Austria
- 2010 – Guangzhou, China
- 2009 – Nottingham, United Kingdom
- 2008 – Salzburg, Austria
- 2007 – HongKong, China
- 2005 – Vienna, Austria
- 2004 – Vienna, Austria
- 2002 – Vienna, Austria