PKN`s Utilization Ratio reached 83.4 % in 2014. This is 4.79 % less than in the previous year.
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| Company | Unit | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
| Grupa Lotos | % | ... | ... | ... | ... | ... | ... | ... | ... | 99.9 | 88.4 | 91.8 | 93.4 | 93.1 | |||
| PKN | % | 100 | 94.8 | 90.1 | 92.4 | 87.6 | ... |
Helgi Library 
