Year current US$ 2002 59000000 2003 59000000 2004 76000000 2005 82000000 2009 77000000 2010 103000000 2011 97000000 2012 105000000 2013 131000000 2014 154000000 2015 150300003.05175802 2016 214300003.05175802 2017 348000000 2018 357000000 2019 391000000 2020 217899993.89648402