Year annual % change 2008 -47.0327532159 2009 1.5322945399 2010 -0.9696089821494391 2011 -36.4027589809215 2012 -12.6820854949153 2013 -22.511704018824 2014 -15.9849827233502 2015 -47.6355250258743 2016 29.601295685306 2017 80.2536960906839 2018 -38.2867610697639 2019 0.205847008681758 2020 7.18359011026497 2021 59.8723067655494 2022 -19.1095830444483