Year	current US$
1960	5197398721.413668
1961	5669689210.3186
1962	6107076928.633716
1963	6553269535.510094
1964	7206522121.804177
1965	8111945661.216237
1966	8753940266.901838
1967	9577383653.18303
1968	10227087165.24143
1969	11136187439.832636
1970	12814123115.261309
1971	14583114840.062925
1972	17358610849.70098
1973	22534253702.86864
1974	27145693810.134125
1975	32877805200.02296
1976	35942270686.337395
1977	41508030431.10735
1978	46522900253.70544
1979	53132244623.92133
1980	64439382896.01556
1981	63596654760.867676
1982	62647195537.65107
1983	61627240831.09479
1984	62057955032.77583
1985	65416879914.390724
1986	78693118044.00449
1987	94229907235.62152
1988	101900260856.22218
1989	102633934390.61482
1990	119791843059.57155
1991	121872464483.48734
1992	130838040067.58388
1993	120579213712.80359
1994	127131319428.70097
1995	152029612324.78848
1996	163520109150.67136
1997	161356631888.4836
1998	154230295158.4472
1999	162383706021.13037
2000	171457201935.96765
2001	174239354070.97656
2002	195914852576.46735
2003	229385469337.02438
2004	265268662473.29694
2005	309978579743.88824
2006	346915160681.7084
2007	402643260487.5719
2008	464917553191.4894
2009	387976400617.0189
2010	431052143940.4382
2011	501360549669.4038
2012	512777309840.997
2013	526014468085.1064
2014	501736471832.84814
2015	388159512245.53046
2016	370956547619.0476
2017	401745275035.26074
2018	439788625883.79956
2019	408742840909.0909
2020	367633418886.62726
2021	503367986030.26776
2022	593726965415.6191
2023	485513316503.63043