Year current US$ 2005 509999.9979138374 2006 870000.0215321779 2007 1419999.973848462 2008 1719999.9429285517 2009 489999.9946355817 2010 369999.99731779034 2011 229999.99672174422 2012 259999.9960511917 2013 379999.9933689828 2014 359999.9975413087 2015 389999.9968707561 2016 249999.99999999983 2017 209999.99716877934 2018 240000.0002235173 2019 1850000.046193595 2020 209999.99716877937 2021 159999.99828636652 2022 179999.9959766865