Year current US$ 1999 370000.00476837205 2003 9999.99977648258 2004 90000.0035762787 2005 50000.0007450581 2006 90000.0035762787 2007 140000.000596046 2008 219999.998807907 2009 70000.0002980232 2010 100000.00149011599 2011 180000.00715255702 2012 170000.00178813902 2013 140000.000596046 2014 170000.00178813902 2015 159999.99642372102 2016 170000.00178813902 2017 140000.000596046 2018 119999.997317791 2019 70000.0002980232 2020 70000.0002980232 2021 79999.9982118607 2022 109999.999403954