Year	current US$
1960	244999902.09803912
1961	236599905.45467734
1962	261799895.3847621
1963	333199866.8533327
1964	375199850.0701399
1965	446599821.5387114
1966	468999812.5876752
1967	527799789.09120405
1968	561399775.6646495
1969	648199740.9793833
1970	800799680.0004474
1971	929699993.0538074
1972	884007574.4009899
1973	1148128509.9845378
1974	1478068150.183585
1975	1807671796.6236362
1976	1499599998.6959999
1977	1769849998.461
1978	2086099998.1859999
1979	2424770632.201254
1980	3320658915.5240693
1981	3901308410.693595
1982	3387096545.2573524
1983	3170299124.276454
1984	2891156752.433451
1985	2217053847.49389
1986	2651577634.9870706
1987	3089492204.235586
1988	3187935948.768018
1989	3288137403.634337
1990	3679119008.746641
1991	3668388403.838059
1992	4216072552.7318954
1993	4537374746.870329
1994	4897591639.436535
1995	5767578099.644756
1996	5519728785.337518
1997	5819205495.696661
1998	5476301454.599331
1999	5595036733.417799
2000	5684339318.23161
2001	5118645654.231009
2002	5375504295.673317
2003	7845298463.601125
2004	10062619129.465647
2005	11859024508.91844
2006	13664853271.869595
2007	15697817489.199995
2008	16347611636.657944
2009	14711574170.349657
2010	18972881809.62821
2011	20164195646.548786
2012	18231148023.237072
2013	17519982537.48687
2014	16725993148.251749
2015	15301623001.085827
2016	14893416255.845352
2017	16198765296.901909
2018	16578161513.3018
2019	16081757213.889357
2020	11036932644.108313
2021	13332586136.601309
2022	17891574539.90346
2023	18273991067.514282