Year current US$ 2005 59999.99865889546 2006 29999.999329447703 2007 220000.0062584873 2008 150000.00037252897 2009 119999.99918043619 2010 139999.9968707562 2011 510000.00536441756 2012 89999.99798834318 2013 139999.9987334013 2014 169999.99992549408 2015 149999.9985098839 2016 18269999.161362648 2017 28899999.083951157 2018 16220000.37133691 2019 14139999.577775598 2020 13899999.696761351 2021 10310000.08992851 2022 9359999.824315313