Rust/Baden – since 1993
Gavle – 2005 to 2014
Stockholm – since 1998
Helsinki – 1999 to 2003 and 2009
Gotemburg – 2001 to 2009
Brühl bei Köln – 1991 and 1992
Estonia/Finland/Sweden – 1992, 1993, 2004, 2005 , 2008, 2009, 2010,2013, 2014, 2015, 2016, 2017