Year	current US$
1960	21462031.477646247
1961	5030674.0449886
1962	28420041.682727803
1963	63732760.14138154
1964	67130098.45747773
1965	105186820.94067071
1966	141577540.98039344
1967	174995589.993532
1968	233861009.66281417
1969	345319839.8024317
1970	403727925.467624
1971	490297922.3833791
1972	719900350.7391744
1973	1020977777.7777778
1974	1530764222.348824
1975	1658787804.1774385
1976	1986463121.4945388
1977	2118868382.7100534
1978	2496228580.798557
1979	3365303430.0791554
1980	4740917869.953095
1981	6051139547.917056
1982	7002224641.454062
1983	8104205607.476635
1984	9055418835.778515
1985	8017720688.200271
1986	7573564837.961911
1987	8651510976.393864
1988	11082573599.240267
1989	13538859073.742794
1990	16592114033.7384
1991	21600810419.68162
1992	24942125899.419693
1993	28704826304.887203
1994	36005051576.35894
1995	44679072228.59158
1996	48747873288.7909
1997	51523700739.35584
1998	43767634120.896126
1999	42033396717.43885
2000	45771457972.125854
2001	37843684542.755775
2002	38845005104.468475
2003	42037317549.30452
2004	54851357331.67359
2005	64229808152.74241
2006	77266819935.13887
2007	97885677279.97174
2008	96684479959.51544
2009	98952778073.79092
2010	129425789947.69374
2011	151264692600.27222
2012	158866458185.9618
2013	162776552385.51904
2014	166199439643.26584
2015	162164348189.76962
2016	169997017833.64435
2017	187448051125.1516
2018	209092095293.59256
2019	205009170491.98114
2020	195041391796.4373
2021	262236812821.5988
2022	310503986822.05347
2023	293124719329.5635