Year	current US$
1962	2056595802.5259957
1963	2252846548.465072
1964	2484351500.3075
1965	2873110995.138831
1966	3147377563.154683
1967	3316348957.475905
1968	3532839470.7940583
1969	3670862729.4101505
1970	3950110263.1684566
1971	4366665473.294801
1972	5000867308.065056
1973	6634597450.174998
1974	8889471320.703203
1975	10409812604.984264
1976	11425534622.5695
1977	12442484165.14574
1978	14834100267.051289
1979	19464113193.62282
1980	24728064887.95048
1981	27234465096.365173
1982	26932191526.23709
1983	26791421581.799778
1984	29695935083.225353
1985	29947922811.464375
1986	29913152827.516907
1987	32359843706.368546
1988	36467447968.11777
1989	39592019649.61468
1990	43233642568.440544
1991	47425538788.03836
1992	54699490002.01515
1993	62988101130.77916
1994	71915699701.76921
1995	82974331369.61111
1996	94568098181.48193
1997	99625336976.79303
1998	80495925750.35135
1999	76642413267.10402
2000	80178759407.0033
2001	84094636681.45909
2002	91743300830.5243
2003	102820336730.08595
2004	119334486560.93239
2005	135484853337.45197
2006	153034902213.16946
2007	177056189434.07993
2008	204637138389.83817
2009	210841248578.74423
2010	232944957890.77798
2011	259323201607.10126
2012	295984817183.01355
2013	319543452609.25684
2014	332696305583.5137
2015	323145413454.0421
2016	311560168337.2866
2017	309436620699.57965
2018	335818082224.2152
2019	359560938581.607
2020	342787626410.5689
2021	360479141371.7381
2022	401460796456.3171
2023	410754452330.06