Year current US$ 2001 29999.999329447703 2002 109999.999403954 2004 79999.9982118607 2005 100000.00149011599 2006 109999.999403954 2007 150000.005960464 2008 119999.997317791 2009 100000.00149011599 2010 150000.005960464 2011 90000.0035762787 2012 59999.9986588955 2013 140000.000596046 2014 209999.993443489 2015 230000.004172325 2016 189999.99761581398 2017 200000.00298023198 2018 389999.98569488496 2019 560000.002384186 2020 400000.00596046395 2021 439999.997615814 2022 230000.004172325