Year	current US$
1962	3282278798.3968854
1963	3595886531.4330063
1964	3882772150.1972156
1965	4324260578.086301
1966	5084449306.291399
1967	5736755833.885441
1968	6392420799.677864
1969	6884709880.9358015
1970	7629891639.366581
1971	7944432171.492044
1972	8434587705.079822
1973	10620829345.934946
1974	13484307447.727552
1975	16270071425.645176
1976	18127335766.650204
1977	20100249497.44117
1978	23865634990.805443
1979	28185398161.347103
1980	33623683066.20982
1981	36677377493.0821
1982	37591293704.19328
1983	38346269261.4053
1984	40501657729.93384
1985	41326575356.70407
1986	44170379520.72736
1987	51341516668.044044
1988	63778739357.56116
1989	73580130529.08347
1990	84094450678.71272
1991	95022127172.76857
1992	109085962517.08005
1993	124381492851.77872
1994	141154604804.2266
1995	162804263536.34204
1996	177584870930.83725
1997	163028851515.39163
1998	128202477133.68198
1999	123330190436.71797
2000	124591504495.81511
2001	124785757540.40561
2002	127269579186.09569
2003	140770428983.69315
2004	164632704877.98553
2005	182746943805.0117
2006	204129008855.21262
2007	233317338935.33444
2008	263926235500.371
2009	276652986218.51105
2010	308009861551.3604
2011	334256114224.99615
2012	374726454582.6727
2013	389996622509.84076
2014	394296286416.71686
2015	392054945845.0201
2016	393271083168.62476
2017	412965249600.4199
2018	458792730569.8475
2019	504708599307.7874
2020	494232834583.2841
2021	508382120283.1574
2022	518836896065.1849
2023	515549311310.1043