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| Company | Unit | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
| Grupa Lotos | PLN mil | ... | ... | ... | 788 | 2,002 | 2,230 | 2,212 | 2,489 | |||||||||
| PGNiG | PLN mil | ... | ... | ... | ... | 6,711 | 7,504 | 7,341 | 9,207 | 10,468 | ||||||||
| PKN | PLN mil | 6,947 | 7,019 | 7,853 | 6,312 | 6,453 |
Helgi Library 
