Year	current US$
1960	7652960526.222012
1961	8300007709.602241
1962	9296486944.7874
1963	10606524979.31082
1964	11939149876.498436
1965	12649971730.930515
1966	13637150493.253946
1967	14355944181.567507
1968	14399789267.915653
1969	17483100607.035965
1970	17409944490.374393
1971	19268379306.262577
1972	23876462938.881664
1973	29188273423.688866
1974	31231587561.374798
1975	38640048952.11871
1976	41257853045.61595
1977	42325488098.422035
1978	54332848837.209305
1979	69207523897.62566
1980	75683017696.36758
1981	65592033796.0169
1982	63062181854.476494
1983	60395903261.89862
1984	57288898896.6449
1985	60658490290.55337
1986	82877166398.33318
1987	100834879406.30798
1988	110771941416.1436
1989	109198025909.93214
1990	132144319961.45044
1991	130312754330.89175
1992	137649318463.44485
1993	129717396340.05096
1994	145036625708.88467
1995	167660665001.97134
1996	173615848185.66483
1997	155914812317.3747
1998	160917278185.45697
1999	159355960262.93472
2000	140614468912.94147
2001	138091743077.16553
2002	149031874874.51007
2003	182606615587.05844
2004	213116540001.15884
2005	223712312778.21002
2006	243193169332.94083
2007	272518187620.0009
2008	293526022675.7812
2009	259840991283.20294
2010	261827715950.00052
2011	292012724688.71655
2012	274275400883.2032
2013	288663799587.4518
2014	295637922037.25385
2015	256259754296.09363
2016	262711277898.4442
2017	283677629267.0593
2018	308862118676.0782
2019	300428896298.03876
2020	284393124775.0981
2021	336268445779.0644
2022	292654853120.6237
2023	308694624256.8682