Year	current US$
1960	15424393503.047642
1961	15688688749.364058
1962	16380158870.540731
1963	18504764842.86728
1964	20324099561.696568
1965	21326987337.447624
1966	22523486747.12815
1967	24221942244.773964
1968	25376441247.094128
1969	27727439659.09482
1970	30268976504.486412
1971	34195502392.590393
1972	38711058383.918945
1973	56390420825.43803
1974	118739754341.21255
1975	107006078388.05382
1976	127412073236.96606
1977	147675632064.5966
1978	151841885687.08728
1979	213841233550.56958
1980	312676571317.812
1981	321924074194.5322
1982	275477977133.54114
1983	239610869457.85303
1984	233379715105.13913
1985	213942037154.36746
1986	176372854329.6849
1987	206506975988.95013
1988	223419385991.12436
1989	255538656540.8055
1990	309209489843.46454
1991	314368297089.2443
1992	331443493437.19916
1993	337798270979.074
1994	374894835466.98444
1995	442548990450.44147
1996	506692401130.28235
1997	543802980565.5127
1998	495650624777.5918
1999	556629660566.1494
2000	697288677206.2395
2001	651403739681.1332
2002	682987424534.024
2003	775711317069.6505
2004	952668046200.4209
2005	1192605946451.1526
2006	1416601844125.5835
2007	1615520996774.185
2008	1970840955106.037
2009	1471092960372.728
2010	1886719237021.786
2011	2347827020926.6724
2012	2400947675539.471
2013	2378509744880.4316
2014	2319674996031.807
2015	1890528299489.781
2016	1826971514462.0413
2017	2070813578609.0098
2018	2309236863481.5347
2019	2222184019272.109
2020	1894927991880.5403
2021	2569735692518.115
2022	3098537674113.087
2023	2871677721847.0835