Year	current US$
2002	443451947.122913
2003	572953668.49875
2004	702710759.364923
2005	1005541007.49946
2006	1308131378.8954
2007	1527973750.78964
2008	1910627987.60379
2009	1311870386.45169
2010	1626980567.85696
2011	1020084611.30453
2012	1908501746.42815
2013	1540987557.77353
2014	1218106275.17117
2015	1050263345.60295
2016	1067527705.72138
2017	1449999859.23935
2018	1644295974.7622
2019	1497068869.11736
2020	1081369974.42146
2021	922727736.311541