Year annual % growth 2008 46.39242818730747 2009 -1.8135261065220476 2010 6.055498769102513 2011 4.625271869834151 2012 16.62713594132923 2013 1.393175115440343 2014 3.1450754201118656 2015 -14.075883911646642 2016 -22.29451171705425 2017 10.449344502682578 2018 16.619526841816494 2019 28.375595786996882 2020 -23.945230068154913 2021 7.67250054814528