Year	current US$
1960	18662562986.01008
1961	20158883225.421318
1962	19804963168.794106
1963	21715683474.509354
1964	23652163784.346207
1965	26589924254.38788
1966	28157924505.26792
1967	30948964951.834393
1968	33799365407.898468
1969	37321765971.48256
1970	41424326627.89226
1971	45412647266.02356
1972	51737149532.71028
1973	62183215887.25176
1974	87646278555.63744
1975	96789567117.30167
1976	105148851315.06967
1977	111580637760.95435
1978	120246597220.02914
1979	137407701919.80008
1980	150303064066.8524
1981	181303843027.98096
1982	201106697561.51385
1983	182614864270.45956
1984	196922330132.25723
1985	184540661859.29028
1986	189391438164.52155
1987	195306379036.52725
1988	239343775647.406
1989	304125532933.58563
1990	315375067429.1062
1991	324465258794.102
1992	326336732041.4243
1993	314326869027.5436
1994	323634036665.5137
1995	375392040392.0404
1996	403159026434.7296
1997	434448373065.6236
1998	403181849013.091
1999	399160922421.356
2000	425135211175.615
2001	379303016740.3491
2002	395771952928.9146
2003	477500873616.7734
2004	631160904822.8767
2005	714559348090.0135
2006	762280266966.5573
2007	869038235063.2017
2008	1083034753445.5314
2009	926151306586.0892
2010	1159457078936.706
2011	1384233675092.1606
2012	1550221600763.899
2013	1597836736494.479
2014	1472685760240.602
2015	1371747629439.6267
2016	1234995283046.3367
2017	1320048508653.0476
2018	1424583759650.2651
2019	1360158602898.422
2020	1279937469457.034
2021	1492753396040.9563
2022	1596163236934.1594
2023	1628886510788.9458