Year current US$ 2005 770000.003278255 2006 770000.007003546 2007 2609999.94724989 2008 2540000.00283122 2009 7120000.14260411 2010 7230000.20906329 2011 9720000.29683113 2012 9399999.68744814 2013 3630000.06042421 2014 1609999.96028841 2015 920000.014826655 2016 649999.983608723 2017 2599999.9791383697 2018 2110000.0590086 2019 9530000.16510487 2020 9919999.90679324 2021 27139999.8217821 2022 7840000.115334984