Year current US$ 2005 59999.9986588955 2006 560000.002384186 2007 79999.9982118607 2008 79999.9982118607 2009 50000.0007450581 2010 9999.99977648258 2011 29999.999329447703 2012 29999.999329447703 2013 29999.999329447703 2014 19999.9995529652 2015 59999.9986588955 2016 180000.00715255702 2017 280000.001192093 2018 670000.016689301 2019 1190000.0572204601 2020 1179999.94754791 2021 1230000.01907349 2022 750000