Year current US$ 2005 11740000.3876537 2006 12680000.1263618 2007 3260000.01840293 2008 4179999.9941140404 2009 4109999.9621510496 2010 5579999.99076128 2011 1939999.99947846 2012 1199999.98249114 2013 1449999.97131526 2014 789999.997243285 2015 679999.999701977 2016 789999.99538064 2017 1039999.9991059301 2018 1319999.98912215 2019 1659999.9871105 2020 1070000.00216067 2021 1230000.00417233 2022 610000.0031292441