Year current US$ 2004 41783.9949132528 2005 71562.1616149131 2006 11470.9717731824 2007 189948.940546266 2008 3645216.67747847 2009 28232147.7562549 2010 34498929.5130741 2011 45463176.8704967 2012 46433649.08889 2013 48639473.8999705 2014 56262591.4320072 2015 51041087.2628532 2016 31276058.24476 2017 33725358.649667 2018 48328631.779466 2019 48328631.779466 2020 48328631.779466 2021 48328631.779466 2022 48328631.779466 2023 48328631.779466