Year | Value | 2021 | 0.63074165706938 | 2020 | -1.6706895335138 | 2019 | 0.87530621639344 | 2018 | 23.631318189173 | 2017 | -3.8866732968173 | 2016 | 14.455163232765 | 2015 | 6.3048259646707 | 2014 | -3.4567373364689 | 2013 | -42.449725438813 | 2012 | -1.0298691349545 | 2011 | -3.5532034445776 | 2010 | 1.4491971352806 |
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