Year current US$ 2005 959999.997168779 2006 1489999.98159707 2007 -2649999.96870756 2008 2129999.9952316303 2009 1359999.9751895699 2010 1130000.03062189 2011 1709999.95619059 2012 2710000.0102073 2013 4059999.96699393 2014 3020000.0181794204 2015 4640000.01177192 2016 12600000.3553927 2017 76200000.17993149 2018 17050000.3863126 2019 12840000.0333786 2020 12199999.973177899 2021 24399999.8345971 2022 21640000.16264616