Year	current US$
1960	7515894110.564875
1961	8171194424.944976
1962	4954593071.827959
1963	5505023238.406689
1964	5953756194.809882
1965	6517349771.933859
1966	7189017887.692307
1967	7724873935.128205
1968	8632749269.487179
1969	9571800652.564102
1970	7559115516.695318
1971	8375075629.832697
1972	9067815521.326199
1973	11412449735.305641
1974	15607882555.291605
1975	16875240683.508327
1976	19381055197.27945
1977	22283109803.3521
1978	25762224562.631573
1979	31218296292.1295
1980	36848080898.81119
1981	40499388869.12711
1982	42206011275.17565
1983	37759179894.52985
1984	35730185633.52326
1985	34961486348.23824
1986	33987207294.943222
1987	37791488666.07431
1988	43152128958.611595
1989	48513773720.67303
1990	50508286641.57462
1991	51784144942.72696
1992	60422328242.180336
1993	62036529147.18309
1994	73159336915.2718
1995	84644328727.48247
1996	94648084429.03406
1997	94106317565.08456
1998	74492416329.91425
1999	85640171045.12543
2000	83669788254.72792
2001	78921234457.54874
2002	84307345887.543
2003	87039092974.22725
2004	95001999685.33144
2005	107419977318.16573
2006	127652926368.06917
2007	155980408673.40317
2008	181624626327.36093
2009	175974755881.37238
2010	208368893151.14383
2011	234216730295.9377
2012	261920540972.1021
2013	283902828581.6499
2014	297483555344.8018
2015	306445871246.7178
2016	318627003012.5201
2017	328480736798.7918
2018	346841896583.5147
2019	376823402244.9279
2020	361751145451.59674
2021	394087359848.11
2022	404353369604.6311
2023	437146372729.94244