Year	current US$
1960	280764384.7123058
1961	260604787.90424195
1962	337883242.33515334
1963	498740025.19949603
1964	693826123.4775305
1965	758504829.903402
1966	885552288.954221
1967	919571608.5678288
1968	964720705.5858884
1969	993700125.9974802
1970	1309533809.3238137
1971	1363082738.3452332
1972	1181160668.1591182
1973	852170623.2857277
1974	845656565.6565657
1975	827878787.8787879
1976	1292626262.6262627
1977	1481919191.9191918
1978	1413030303.030303
1979	1247979797.9797978
1980	1644747474.7474747
1981	2604545454.5454545
1982	2557251184.834123
1983	2428267716.5354333
1984	2397892549.718017
1985	1958113456.46438
1986	3492746435.213887
1987	4621205942.324498
1988	4788949017.373967
1989	5075082751.189902
1990	5392698546.253448
1991	7938477769.606802
1992	8307510911.719298
1993	7567819101.43492
1994	8721434666.179466
1995	9600332764.914099
1996	9164159825.585085
1997	8260453444.865884
1998	10366812450.208689
1999	8786098863.189882
2000	14037283620.198116
2001	13281791616.283064
2002	14061139769.405651
2003	16849035134.027658
2004	18098226557.234673
2005	15815578743.075882
2006	16721945010.241142
2007	18410786975.007504
2008	14961249003.541365
2009	16921889499.517824
2010	18189728329.124413
2011	21292599363.661015
2012	19002975679.595364
2013	21849038253.391933
2014	21243562542.500008
2015	27212352783.261204
2016	27309651960.542038
2017	24775830826.663258
2018	23525237396.150517
2019	17251433552.385002
2020	20117637668.977684
2021	19542969159.37207
2022	12866528857.30429
2023	21593923354.897903