Year	current US$
1980	607932653.6848674
1981	552897456.4341216
1982	428192253.51256573
1983	365127490.8446279
1984	255034016.2220383
1985	197036412.15071738
1986	217015472.2690973
1987	289284583.29506445
1988	336367300.3226789
1989	373652304.10759693
1990	514263435.3448992
1991	413762645.6959818
1992	611000787.5136658
1993	606994615.8540056
1994	640572654.3723412
1995	783289308.0807315
1996	829361468.4455715
1997	719781434.8295407
1998	788410580.932528
1999	785770909.6218272
2000	648161611.4981524
2001	742373136.3064617
2002	670338069.9679065
2003	941298528.2128991
2004	1226351159.4126842
2005	1347689590.766486
2006	1726859629.6788876
2007	1921357588.293931
2008	2151124247.46193
2009	2466899570.7993364
2010	2849047890.5903616
2011	2801795103.4414268
2012	3357947042.942743
2013	3745676715.3073177
2014	4369615767.461194
2015	3512509593.8719077
2016	2340157009.7615933
2017	2312225787.2980084
2018	2307975454.3279696
2019	1975464868.082279
2020	1446310152.1708906
2021	1987646473.7197347
2022	2102124081.0937583
2023	3240124520.178591