Jahr Standorte
2019 3
2018 3
2017 3
2016 3
2015 1
2014 1
2013 1
2012 1
2011 0
2010 0
2009 0
2008 0
2007 0
2006 0
2005 0
2004 0
2003 0
2002 0
2001 0
2000 0
1999 0
1998 0
1997 0