Year annual % 2008 -0.4626821938451826 2009 23.665124853606528 2010 -0.13107005100545166 2011 -3.1900962718878674 2012 19.721828255421727 2013 -2.2641913649899834 2014 0.09844808888313139 2015 -5.363284960806027 2016 0.2808306584554572 2017 -0.645081710441147 2018 -0.18357224652937987 2019 -0.8135092071115082 2020 -7.702427487820785 2021 0.26583555240766543