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| Company | Unit | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
| AmRest | % | 20.6 | 21.6 | 22.8 | 23.1 | 23.9 | ||||||||||||
| Mex Polska | % | ... | ... | ... | 26.5 | 27.6 | 32.1 | 33.0 | 35.2 | ... | ||||||||
| Sfinks Polska | % | ... | ... | ... | 7.94 | 7.81 | 6.49 | 8.21 |
Helgi Library 
