Year	current US$
1960	563960396.039604
1961	321335473.4329286
1962	381538461.53846157
1963	420000000
1964	283848195.9272694
1965	279278440.60528344
1966	380338139.77058095
1967	479452839.6952942
1968	621373963.0212005
1969	761727479.9348142
1970	890983198.5105414
1971	1008216968.2915764
1972	1137201821.7627034
1973	1232671983.4746637
1974	1877259887.8786566
1975	2415909090.909091
1976	3230991735.53719
1977	4108884297.5206614
1978	5151446280.991735
1979	6580785123.966942
1980	7786050301.885395
1981	8804333094.52779
1982	9232999427.425734
1983	9757030727.621317
1984	10291251920.963383
1985	10754120594.928852
1986	11992341746.173538
1987	14772526266.841324
1988	19789647753.703064
1989	26558859123.712986
1990	31095384592.778217
1991	35553804694.135826
1992	39323087864.63807
1993	42207465376.839424
1994	47639181137.047455
1995	56881134093.452995
1996	63395351849.51072
1997	58173581703.65016
1998	43711357066.64454
1999	55106813354.82585
2000	62803597836.346634
2001	64377263855.32519
2002	73649078166.58505
2003	85394249246.10667
2004	98253220586.88968
2005	120249381735.49948
2006	140821887105.077
2007	157632982813.2639
2008	147136142234.26285
2009	138387852114.0548
2010	162456721373.84778
2011	180131024758.05408
2012	187692174709.2913
2013	205273417611.697
2014	226016678697.6179
2015	221130418828.37695
2016	228551540252.46228
2017	250261361442.0078
2018	276952248816.153
2019	282027789755.5042
2020	296623269097.52026
2021	330223644931.86206
2022	314147390184.09656
2023	323693144284.98944