2009 Germany
|
2010 England
|
2011 Germany
|
|
2012 Germany
|
2013 USA
|
|
2014 Poland
|
2015 Germany
|
|
|
|
|
2016 USA
|
2017 Hungary
|
|
|
|
|
2018 Germany
|
2019 Kazakhstan
|
2019 USA
|
