Year current US$ 2005 239999.994635582 2006 119999.997317791 2007 140000.000596046 2008 79999.9982118607 2009 479999.989271164 2010 100000.00149011599 2011 59999.9986588955 2012 189999.99761581398 2013 39999.9991059303 2014 39999.9991059303 2015 50000.0007450581 2016 39999.9991059303 2017 70000.0002980232 2018 90000.0035762787 2019 829999.983310699 2020 1100000.02384186 2021 1370000.00476837 2022 1080000.04291534