Year	current US$
1966	2138006392.5769012
1967	2434167430.2036943
1968	2631170666.6666665
1969	3047134266.6666665
1970	3579366933.3333335
1971	4268968396.105732
1972	5211714417.279438
1973	6748558558.558558
1974	8078001771.9732895
1975	9955216490.898333
1976	10740368072.787428
1977	11849303871.268658
1978	14766583070.394953
1979	17528764303.36438
1980	18683464930.17974
1981	16875712159.923632
1982	16728893236.042437
1983	16363494477.856752
1984	14853481934.225517
1985	15407695160.62059
1986	20726308243.7276
1987	26586075464.52641
1988	28542730446.408676
1989	27383445459.768543
1990	33050245128.138836
1991	33759379348.080982
1992	36949068438.22998
1993	36230002776.10697
1994	38110158475.61551
1995	44497989433.1001
1996	45229536275.37206
1997	41022940722.23484
1998	42706600853.62942
1999	43362981422.55096
2000	39190870952.97596
2001	40085372951.410576
2002	44424875676.08649
2003	54606937777.98018
2004	62677094690.45751
2005	64791030032.1833
2006	68468166913.29791
2007	77741155647.81306
2008	88696765853.94559
2009	89738757298.21486
2010	88116738663.69136
2011	91383284386.49924
2012	86601087184.98135
2013	89357668171.31262
2014	91021709586.99081
2015	77088408030.17932
2016	77867254832.85703
2017	81077670234.71356
2018	86624459287.23242
2019	83603655473.59584
2020	87769691850.6868
2021	97380029747.54033
2022	87146159661.71967
2023	91520470897.6176