Year current US$ 2007 3759999.99046326 2008 16540000.28967854 2009 16800000.44032931 2010 26310000.061988827 2011 35410000.333562486 2012 23370328.318327654 2013 15385679.185390463 2014 27952743.068337444 2015 33768620.50127237 2016 21322546.781622812 2017 35651793.240220256 2018 57771251.441186905 2019 84691103.33919527 2020 105394539.77346416 2021 110384230.04746439 2022 107248746.06728554