Year	constant 2021 US$
1960	6078299873.65007
1961	8020510061.97184
1962	8229229983.56819
1963	8010359977.707271
1964	8729810044.05022
1965	8993620010.37598
1966	9220970058.918
1967	10044730115.8905
1968	8930010049.44369
1969	8198510015.007111
1970	8395479995.10169
1971	8941170027.33797
1972	8571180003.561079
1973	9252519959.677011
1974	12012400035.3813
1975	13798980031.2519
1976	12528389960.6466
1977	13686209965.4675
1978	16080960122.4661
1979	18073379961.0138
1980	18971179940.2237
1981	19770940112.114
1982	21342609992.981
1983	20922039926.7953
1984	24051780076.026897
1985	26046429864.8834
1986	25042610083.103203
1987	24828599750.995598
1988	26156680094.8381
1989	28202650375.3662
1990	28456879905.2238
1991	27680429969.7876
1992	28345920013.5469
1993	26655220115.6616
1994	28424380073.5474
1995	24653149901.390102
1996	22269090057.373
1997	22209070083.618202
1998	21781320034.0271
1999	19881579978.9429
2000	20844559770.5841
2001	23498609820.3659
2002	30082890010.833702
2003	34196179676.0559
2004	32992989782.333405
2005	39549379631.0425
2006	47965209561.348
2007	33857930016.5176
2008	37657639950.2754
2009	42197600105.2856
2010	47688920001.9836
2011	48193630048.7518
2012	48849120023.7274
2013	49157230215.5495
2014	47674449664.8908
2015	50553290260.314896
2016	50524560266.9716
2017	55499040318.4891
2018	54708819916.2483
2019	58081040376.6632
2020	71201929793.3578
2021	63212760002.1362
2022	61370740467.071495