Year	current US$
1993	3565040973.824489
1994	2478421454.0928984
1995	3120095464.051316
1996	4162798297.076907
1997	3790820215.4101076
1998	3529397656.6744614
1999	2707616093.6710157
2000	4762620320.737853
2001	6352006057.03448
2002	8325072643.433663
2003	10562869471.032799
2004	15039419267.100378
2005	22217966586.393738
2006	35720641010.744194
2007	45971095376.95279
2008	60582100290.021126
2009	47062380738.406784
2010	64855358148.688545
2011	91175760132.25897
2012	90566000167.65865
2013	94488325174.35661
2014	90399166831.79247
2015	63889586000.720985
2016	46434157996.259056
2017	61511423539.3059
2018	70984086596.52708
2019	70103517461.41986
2020	58602657894.03376
2021	73107693571.96104
2022	89683043256.22331