Buy annual subscriptions for all our products.
| Company | Unit | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
| PORR Group | 6.50 | 1.87 | -21.5 | 6.72 | 17.1 | ... | |||||||||||
| Strabag SE | ... | ... | ... | ... | ... | ... | 6.31 | 6.60 | 7.34 | 2.31 | 4.23 | ... | |||||
| Wienerberger | -21.9 | -4.84 | 0.586 | -6.26 | -3.24 |
Helgi Library 
