PORR`s ROA reached 1.86 % in 2014. This is 12.6 % less than in the previous year.
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| Company | Unit | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
| PORR Group | % | 1.22 | 0.388 | -3.47 | 0.821 | 2.13 | ... | |||||||||||
| Strabag SE | % | ... | ... | ... | ... | ... | ... | 1.67 | 1.75 | 1.88 | 0.591 | 1.10 | ... | |||||
| Wienerberger | % | -6.83 | -1.64 | 0.190 | -1.73 | -0.932 |
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