Year current US$ 2006 249999.99627470918 2007 60000.000521540685 2008 9999.99977648258 2009 9999.99977648258 2010 9999.99977648258 2011 140000.00059604636 2013 49999.9988824129 2014 129999.99709427351 2015 130000.00081956373 2016 159999.99828636646 2017 149999.99850988388 2018 209999.99716877952 2019 89999.99798834327 2020 409999.99456107605 2021 469999.9876320358 2022 639999.9931454656