Year current US$ 1996 70000.0002980232 1997 59999.9986588955 2004 29999.999329447703 2005 170000.00178813902 2006 330000.013113022 2007 1870000.00476837 2008 460000.00834465 2009 219999.998807907 2011 100000.00149011599 2012 9999.99977648258 2014 419999.986886978 2015 730000.019073486 2016 569999.992847443 2017 579999.983310699 2018 170000.00178813902 2019 280000.001192093 2020 50000.0007450581 2021 430000.00715255697 2022 55599998.4741211