Year	current US$
1998	422210143.04291284
1999	-77976072.82184656
2000	-15540442.132639792
2001	29964109.232769832
2002	72512613.78413524
2003	277870481.1443433
2004	874579453.8361509
2005	-183282184.6553966
2006	1221456957.087126
2007	2275835630.6892066
2008	3568779973.9921975
2009	-2467018205.4616385
2010	-1058748504.5513654
2011	-690507152.1456437
2012	2235110533.159948
2013	2169570871.2613783
2014	-1117555266.579974
2015	1857737321.196359
2016	-2413524057.217165
2017	421846553.96618986
2018	1083224967.490247
2019	-1838933940.1820545
2020	-3001328218.4655395
2021	-2831383615.084525