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| Company | Unit | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
| B Braun Melsungen | ... | 14.5 | 14.8 | 14.4 | 13.9 | 15.3 | ||||||||||||||
| Fresenius Medical Care | -63.7 | -48.1 | -37.4 | -39.4 | -58.0 |
Helgi Library 
