Year	current US$
1960	3683330757.117299
1961	3563761835.7033124
1962	3705623267.8893976
1963	4338933233.005852
1964	4768570713.340855
1965	5020881403.44325
1966	5633925449.675977
1967	5413026933.843357
1968	6109161247.499364
1969	7050513179.648461
1970	7874322782.271945
1971	9106490650.40252
1972	9139929416.560667
1973	13339027809.268805
1974	26435877887.877075
1975	25356717707.318638
1976	30372532631.04095
1977	34243323137.832718
1978	33656624786.148838
1979	54773712262.99188
1980	71905506791.35011
1981	45324727583.45439
1982	38308666465.908264
1983	33642438642.93023
1984	38101954093.29425
1985	39688775541.89004
1986	28603317912.491627
1987	34228123698.66992
1988	34529072594.09326
1989	42379076273.704735
1990	45866840913.59408
1991	31981646590.408848
1992	31936048272.920464
1993	29968213249.475677
1994	28908843494.188366
1995	36628266319.04486
1996	43701534360.08366
1997	46610243669.05609
1998	40066660505.66094
1999	53166992995.75786
2000	72172856119.77478
2001	61341154845.5895
2002	65339617363.63377
2003	75384387184.7997
2004	112628472996.1478
2005	151044221412.4154
2006	183596593439.32782
2007	227047351770.59958
2008	307873843396.9183
2009	218107474954.4981
2010	280533699051.5277
2011	383234939103.8329
2012	388281088421.30383
2013	364149091986.35834
2014	363806808528.7414
2015	232594774199.0776
2016	193618004967.66272
2017	245362554771.9602
2018	315476991917.001
2019	293867563804.3152
2020	217816266128.10736
2021	313130898178.7011
2022	398482535302.1828
2023	358833984783.59357