Borealis`s ROCE reached 13.6 % in 2015. This is 58.1 % more than in the previous year.
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| Company | Unit | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
| Borealis | % | 0.996 | 7.95 | 10.9 | 8.99 | 7.04 |
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