Year current US$ 2009 59999.9986588955 2010 5090000.033378596 2011 15609999.895095821 2012 7937397.897243491 2013 -5562.365055092494 2014 6758199.632167824 2015 7991098.134778438 2016 -1359769.9723905018 2017 8656604.40176725 2018 13140022.139272334 2019 24030813.932418853 2020 23057000.160217267 2021 31887310.38710104 2022 23205725.997686394