Year	current US$
1960	575999900
1961	568499900
1962	714500000
1963	821599900
1964	893099900
1965	402500000
1966	405000000
1967	422300000
1968	444000000
1969	490300000
1970	591700000
1971	665700000
1972	824100100
1973	937100000
1974	1047200000
1975	1255900000
1976	1574200000
1977	1863699900
1978	2101900200
1979	2365500000
1980	2912000300
1981	3367999600
1982	3802000100
1983	4060000000
1984	4698399500
1985	2998032614.4506474
1986	3053196723.653934
1987	3507112645.32124
1988	2771448750.1629853
1989	3144759006.3091483
1990	3371722015.6475434
1991	4594278231.276775
1992	5494600032.000001
1993	6376870920
1994	7266504900.616481
1995	8284853675.2136755
1996	9094245379.060383
1997	10156013674.502377
1998	10711109097.931723
1999	11212851349.874926
2000	12672128185.235226
2001	13814699757.86896
2002	14593169868.727663
2003	11806468668.709568
2004	12308917185.573254
2005	19952420062.895092
2006	21061119554.378845
2007	24151621652.574253
2008	27547098065.324753
2009	28548983441.670776
2010	31935278965.76796
2011	34608250580.865135
2012	36354037007.499
2013	36941247634.88634
2014	39447781929.38441
2015	42031016521.761696
2016	45308092627.7977
2017	47539641059.210266
2018	50158612270.456184
2019	51848213653.306145
2020	45102490483.20311
2021	51484877067.32464
2022	61817310046.9705
2023	68009936421.7844