Year	current US$
1960	3749265014.6997066
1961	4118647627.0474596
1962	4310163796.724066
1963	4630827383.452332
1964	5204955900.881983
1965	5929231415.371693
1966	6561108777.824444
1967	7464510709.785805
1968	8041999160.0168
1969	8683116337.673246
1970	10027509449.811005
1971	10665896682.06636
1972	9415016359.56604
1973	6383429490.210915
1974	8899191919.19192
1975	11230606060.60606
1976	13168080808.080807
1977	15126060606.060606
1978	17811515151.515152
1979	19688383838.38384
1980	23654444444.444443
1981	28100606060.60606
1982	30725971563.98104
1983	28691889763.77953
1984	31151825467.497772
1985	31144920844.327175
1986	31899070055.796654
1987	33351529274.686863
1988	38472742808.31672
1989	40171106279.0078
1990	40010423970.45763
1991	45625336680.20465
1992	48884671947.46571
1993	51809999353.161354
1994	52293470813.133606
1995	60636071684.191795
1996	63320170084.407555
1997	62433340468.02277
1998	62191955814.3478
1999	62973857068.511284
2000	99484802344.52766
2001	97145618479.90381
2002	97923302809.35368
2003	112371913740.82295
2004	132216048339.41289
2005	145208562960.76663
2006	161871385506.3602
2007	184140869997.46017
2008	202203748583.8536
2009	187337783856.46567
2010	196709621849.58618
2011	230586581059.6654
2012	250106966104.70358
2013	258657231672.41232
2014	271390474857.63217
2015	299963590534.7735
2016	313630000130.43536
2017	339205534861.1001
2018	356128166704.921
2019	320909472770.6687
2020	300425609817.9812
2021	348516647445.14844
2022	374787958882.30774
2023	338368455317.8758