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| Company | Unit | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
| Linde Gas Czech Republic | ... | ... | 0.801 | 1.60 | 1.14 | 0.824 | 0.917 | |||||
| MOL Czech Republic | ... | ... | 2.41 | 1.88 | 1.60 | 1.65 | 1.15 | ... | ||||
| OMV Czech Republic | ... | ... | 1.47 | 2.05 | 5.18 | 4.43 | 4.49 | |||||
| RoBiN OIL | 0 | 0 | 0 | 0 | 0 | ... | ||||||
| Shell Czech Republic | ... | ... | 2.21 | 3.40 | 3.81 | 3.04 | 2.87 | |||||
| Tank ONO | 0 | 0 | 0 | 0 | 0 | ... | ||||||
| Unipetrol | ... | ... | 2.51 | 2.76 | 2.69 | 1.74 | 0.866 | ... |
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