Year annual % growth 2008 137.08220007414212 2009 -27.975548913139846 2010 67.15464144070543 2011 13.810621907962869 2012 -0.28765415760591395 2013 44.318562997586355 2014 6.577697558000722 2015 27.331562352186324 2016 -36.25227193315036 2017 -1.7565685431883367 2018 -0.2838876392544307 2019 47.16340224804307 2020 -65.42245035768732 2021 32.23674669184555