Year	current US$
1970	3718399996.2816
1971	4072271905.7522283
1972	4825055308.771085
1973	5645452328.092059
1974	5980070103.396771
1975	7156605312.039245
1976	7131489854.695513
1977	9416693009.019423
1978	11850629333.214813
1979	15239947702.560093
1980	17339950737.33684
1981	15157601912.042034
1982	15932658243.963324
1983	16619865060.4691
1984	16688402268.18496
1985	18207121879.92635
1986	21876683316.22774
1987	27137766083.92962
1988	27113567994.37674
1989	28710377436.03159
1990	45146496902.01729
1991	41787570051.71274
1992	53039648400.9054
1993	48384378867.862946
1994	50503310610.88086
1995	56481276358.05582
1996	60069524431.500145
1997	61394246348.25609
1998	62860814885.71091
1999	59844963702.052124
2000	58656320747.933075
2001	59657701007.39738
2002	62160658841.17078
2003	73205339037.16995
2004	86286547813.99706
2005	90799813886.15096
2006	101090596365.10281
2007	115081759407.81026
2008	114475695004.27484
2009	95929513724.21028
2010	99776029818.75836
2011	110286823577.43379
2012	107693202496.97548
2013	111303269469.4138
2014	113518646246.55008
2015	97431410437.15761
2016	100157497192.05666
2017	112119916109.79807
2018	122308610924.10252
2019	121592756662.63373
2020	84720873356.08083
2021	102838265025.90213
2022	126169650491.07137
2023	147000106558.34256