Year | Value | 2020 | -8.40864005256 | 2019 | 1.7207109740228 | 2018 | -2.4366047942032 | 2017 | 4.738663088006 | 2016 | 5.5506888597417 | 2015 | 2.5380075631283 | 2014 | 1.8047554418901 | 2013 | 7.3871508783678 | 2012 | 21.965718514123 | 2011 | -6.7374802215089 | 2010 | 11.126349100817 | 2009 | -7.3355710578576 | 2008 | 10.117143232108 | 2007 | 18.118740526936 | 2006 | 13.759739051143 | 2005 | 13.676714711539 | 2004 | 5.0254823908421 | 2003 | 13.570243937252 | 2002 | -6.3218145371367 | 2001 | 4.2791447665251 |
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