Year	current US$
1970	1644521483.8170002
1971	2155367565.1699996
1972	2658606068.735
1973	2851601020.619
1974	2648670927.7669997
1975	6896448115.783
1976	7409949936.606
1977	10585919012.375
1978	13486539349.729002
1979	16451276696.053999
1980	19317665582.836098
1981	17975166968.539
1982	17588604486.721897
1983	16567357378.174002
1984	15990013667.381
1985	16030460399.933996
1986	21871506878.602604
1987	27543224868.114
1988	31389924581.8435
1989	33124622840.87
1990	39030447143.151
1991	40305529712.119995
1992	42934326734.954
1993	41279015112.1925
1994	42794935841.33629
1995	44514404805.68344
1996	44547146632.7155
1997	48055378223.87854
1998	49283978723.909256
1999	48114000022.40377
2000	47670841730.78814
2001	49548939500.11352
2002	54986938714.55366
2003	65742936245.88109
2004	76048667754.85127
2005	82712932112.2214
2006	92443669102.14597
2007	109135403715.40108
2008	125296015241.62024
2009	118436424017.7333
2010	118192004938.28609
2011	131273212201.76892
2012	129524165286.51259
2013	143433385221.73798
2014	149366018343.34576
2015	139405884305.57776
2016	139872364368.67633
2017	148148753425.42773
2018	155846064602.74942
2019	161116147484.47708
2020	155617154992.14273
2021	170924832642.6588
2022	170478409906.78616