ICZ`s Sales to Telecom Segment reached 40.5 CZK mil in 2017. This is 41.9 % less than in the previous year.
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| Company | Unit | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 |
| ICZ | CZK mil | 170 | 191 | 166 | 138 | 114 |
Helgi Library 
