Year	current US$
1960	59635009.18397224
1961	63361462.27322368
1962	52055185.64744326
1963	64744034.98075114
1964	60887394.02890089
1965	65913820.43781813
1966	81054872.55277516
1967	99456144.7566513
1968	98800678.74298748
1969	109219938.09722854
1970	98237591.63775337
1971	109301619.17357908
1972	123481441.58021216
1973	111147272.22989552
1974	131640343.59317036
1975	153096841.58069813
1976	131304276.77625978
1977	122840382.81113571
1978	145079443.53849265
1982	8349465.27934756
1983	4130581.7136639277
1984	-11073610.214702617
1985	-95447833.74453238
1986	-118045956.55983965
1987	-92802335.3112025
1988	-49520156.77488406
1989	-70159663.7772737
1990	-133404934.09672938
1991	-30599148.495153937
1992	-42681543.43020243
1993	-38070599.36404944
1994	-24942912.766717665
1995	24579140.914690576
1996	147239497.23002976
1997	109203255.05789946
1998	71883215.70860602
1999	-2764340.405889825
2000	76130758.10327035
2001	89991113.74863383
2002	-815072959.9682262
2003	508019499.814093
2004	1085059051.2690349
2005	2048791954.0121167
2006	1593347611.9208357
2007	2300172008.5671024
2008	2804086885.7229543
2009	2173874662.287165
2010	2963552144.6285486
2011	3109485883.5726347
2012	3396170948.5232167
2013	3074497471.5753174
2014	3548749674.2580004
2015	2358141051.0250087
2016	2061228391.1619706
2017	1551173735.6019714
2018	2140400632.4584394
2019	2300034691.786891
2020	563310922.2313354
2021	1588979725.8689156
2022	2961765995.3043437
2023	2785975649.5239115