Year	current US$
1980	1542000000
1981	377000000
1982	330000000
1983	1416000000
1984	376000000
1985	303000000
1986	1724000000
1987	4733000000
1988	2471000000
1989	6087000000
1990	3054000000
1991	3469000000
1992	6243000000
1993	6593100000
1994	13934400000
1995	14666800000
1996	25510400000
1997	20350000000
1998	10505910000
1999	19378710000
2000	7374260000
2001	3013660000
2002	2142550000.0000002
2003	2444850000
2004	3233590000
2005	5352940000
2006	9158600000
2007	24234700000
2008	12368670000
2009	14319410000
2010	22249330000
2011	27366630000
2012	35684030000
2013	44588930000
2014	42213210000
2015	38418040000
2016	35851411587.495804
2017	33804496728.003403
2018	29213840000
2019	29994650000
2020	32738060000
2021	35844880000
2022	26057810000