Year
Countries
1997/1998
Czech Republic, Hungary, Poland, Lithuania, Slovakia
1998/1999
Czech Republic, Poland, Slovenia, Hungary, Lithuania
1999/2000
Czech Republic, Latvia, Poland, Slovenia, Hungary
2000/2001
Bulgaria, Czech Republic, Latvia, Slovakia, Poland
2001/2002
Czech Republic, Hungary, Latvia, Lithuania, Slovakia
2002/2003
Bulgaria, Estonia, Germany, Hungary, Poland, Slovakia, Latvia
2003/2004
Czech Republic, Estonia, Germany, Hungary, Poland, Slovenia, United Kingdom
2004/2005
Bulgaria, Czech Republic, France, Germany, Poland, Slovenia, United Kingdom
2005/2006
Bulgaria, Czech Republic, France, Hungary, Poland, Slovenia, United Kingdom
2006/2007
Bulgaria, France, Germany, Hungary, the Netherlands, Sweden, Switzerland
2007/2008
Czech Republic, Estonia, Germany, Hungary, Ireland, the Netherlands, Slovenia, Sweden, Switzerland
2008/2009
Czech Republic, Estonia, France, the Netherlands, Poland, Slovenia, Sweden, Switzerland, United Kingdom
2009/2010
Austria, Belgium, Estonia, France, Hungary, Norway, Slovenia, Spain, United Kingdom
2010/2011
Austria, France, Germany, Hungary, Lithuania, Norway, Spain, Switzerland, United Kingdom
2011/2012
Austria, Germany, Hungary, Italy, Lithuania, Norway, Slovenia, Spain, Switzerland
2012/2013
Finland, France, Germany, Ireland, Italy, Lithuania, Slovenia, Switzerland, United Kingdom
2013/2014
Austria, Azerbaijan, Czech Republic, Finland, Ireland, Italy, the Netherlands, Serbia, United Kingdom
2014/2015
Austria, Azerbaijan, Czech Republic, Finland, France, Ireland, the Netherlands, Romania, Spain
2015/2016
Austria, Azerbaijan, Czech Republic, Denmark, France, the Netherlands, Romania, Slovenia, Spain
2016/2017
Bulgaria, Denmark, Germany, Lithuania, Portugal, Romania, Slovakia, Spain, Ukraine
2017/2018
Bulgaria, Denmark, France, Georgia, Germany, Lithuania, Portugal, Slovakia, United Kingdom
2018/2019
Belgium, France, Georgia, Germany, Italy, Lithuania, Slovakia, Sweden, United Kingdom
2019/2020
Greece, Belgium, Georgia, Hungary, Italy, Sweden, Switzerland, Ukraine, United Kingdom
2020/2021
Greece, Austria, Belgium, France, Hungary, Italy, Romania, Sweden, Switzerland
2021/2022
Switzerland, Austria, France, Hungary, Greece, Romania, Norway, Slovenia, United Kingdom
2022/2023
Georgia, Austria, Italy, Lithuania, Norway, Poland, Portugal, Slovenia, United Kingdom
2023/2024
Hungary, Georgia, Italy, Lithuania, Norway, Poland, Portugal, Slovenia, United Kingdom