Our annual reports:

 Report of activity 2011 (German)

 Report of activity 2010 (German)

 Report of activity 2009 (German)

 Report of activity 2008 (German)

 Report of activity 2007 (German)

 Report of activity 2006 (German)

 Report of activity 2005 (German)

 Report of activity 2005 (English)