Year	current US$
1984	62000000
1986	4000000000
1989	542600000
1992	1881000000
1993	2197000000
1994	1048099999.9999999
1995	987370000
1996	2859100000
1997	5946335000
1998	3026000000
1999	4347800000
2000	846800000
2001	997130000
2002	1351330000
2003	4678850000
2004	1390490000
2005	1678120000
2006	1197580000
2007	2214040000
2008	678770000
2009	2992000000
2010	421470000
2011	2671140000
2012	3182820000
2013	3691600000
2014	1647500000
2015	3186650000
2016	3386891000
2017	2950270000
2018	265510000
2019	9710000
2020	838180000
2021	264410000.00000003
2022	563400000