Year current US$ 2006 71019996.6430664 2007 70200004.5776367 2008 73930000.3051758 2009 62979999.5422363 2010 85480003.3569336 2011 69449996.9482422 2012 66669998.1689453 2013 76500000 2014 72579994.2016602 2015 61895816.8029785 2016 69958938.5986328 2017 74976112.3657227 2018 88876907.3486328 2019 82149116.5161133 2020 66387321.472168 2021 71675880.4321289 2022 48308131.489902735