Year current US$ 2005 59999.9986588955 2006 50000.0007450581 2007 319999.99284744303 2008 469999.998807907 2009 469999.998807907 2010 239999.994635582 2011 860000.014305115 2012 59999.9986588955 2013 159999.99642372102 2014 140000.000596046 2015 439999.997615814 2016 310000.002384186 2017 170000.00178813902 2018 550000.011920929 2019 579999.983310699 2020 970000.028610229 2021 10750000 2022 2369999.8855590797