Year	current US$
2000	297458408.28842
2001	57233353.8840978
2002	-128565027.493472
2003	-478373245.516338
2004	290385262.983351
2005	-215149551.066387
2006	125835917.384241
2007	192700336.786762
2008	57561582.6337588
2009	-471733092.003896
2010	-752964823.143049
2011	-1136819173.37908
2012	-1578274462.56586
2013	-1301321374.68446
2014	-1312872666.67723
2015	-721694035.645583
2016	-371626406.341572
2017	113133611.766456
2018	581998181.54163
2019	774882429.592857
2020	326097346.571075
2021	1343322911.64073