Year	current US$
1967	1835635357.7874644
1968	2038950274.7673917
1969	2214088396.1875954
1970	2469337014.7873883
1971	3812522613.658017
1972	4474065876.954243
1973	5936089789.093895
1974	7469374748.739076
1975	8736816958.2558
1976	9082444317.841555
1977	10192168418.063854
1978	12306723526.643337
1979	13897552509.242384
1980	16690662769.19766
1981	15193072671.981705
1982	15061038190.123158
1983	13259043941.820635
1984	13002849658.243034
1985	13331387179.920261
1986	16887772261.432867
1987	19967220122.843216
1988	22314476563.963375
1989	23789586663.478737
1990	29140093582.944557
1991	32688145132.68202
1992	38101329768.29784
1993	37540083057.48218
1994	41006597191.52438
1995	44696884796.42255
1996	46250458643.40751
1997	47434089387.42778
1998	48385230137.51857
1999	50215581608.79183
2000	48894874527.80746
2001	49755867541.836105
2002	55799342485.42656
2003	63883858591.888824
2004	86716943532.72003
2005	91981083362.29944
2006	97036097120.07094
2007	118212608569.98334
2008	134566937857.16675
2009	126485657218.95811
2010	123902006832.17906
2011	136258537421.55641
2012	131684201125.21968
2013	142583471794.39505
2014	155321433402.00018
2015	167786884334.61328
2016	156748646703.6481
2017	174350417753.04056
2018	200322588613.83746
2019	201510844697.5627
2020	186595607102.26785
2021	200917522262.266
2022	213479156215.73352
2023	230270114336.13306