Year current US$ 2006 39999.9991059303 2007 19999.9995529652 2008 169999.99620020398 2009 9999.99977648258 2010 249999.99441206458 2011 9999.99977648258 2013 89999.99985098839 2014 39999.9991059303 2015 89999.99985098839 2016 159999.99828636687 2017 119999.99731779088 2018 149999.99850988382 2019 139999.99873340127 2020 89999.99798834327 2021 1409999.9517202335 2022 70000.00029802331