Year annual % change 2007 10.744062373248008 2008 -68.1764538314 2009 46.9332430068 2010 0.4805351646076872 2011 -26.8171740731691 2012 19.940316658913 2013 5.09392092006518 2014 7.50950504531087 2015 -7.15948558641091 2016 -0.603722192577227 2017 56.7983855743947 2018 -6.12414568931146 2019 3.56521755184356 2020 17.6981912020929 2021 37.1074944161449 2022 -46.0957593092142