Year	current US$
2011	74873365088.7399
2012	83713532912.8564
2013	84881616601.8726
2014	82652129324.2096
2015	46818708496.8549
2016	39754437422.9721
2017	48002505122.9448
2018	60574842053.7349
2019	49625268486.3156
2020	34653801285.3508
2021	60424513913.155
