Year	current US$
1961	17807283188.322975
1962	18212035283.786194
1963	20279273017.567368
1964	22249797416.113266
1965	24582559641.640144
1966	25951904633.748466
1967	28280009281.1425
1968	31826958505.6897
1969	35752913248.987206
1970	39820778163.54734
1971	45827037296.85416
1972	56350942461.08733
1973	74274161901.4227
1974	116677226793.70229
1975	134063733445.01074
1976	163590363631.40802
1977	188367704466.8483
1978	201040794074.84338
1979	252389759770.23563
1980	299394199044.33746
1981	284054709132.4519
1982	316346617634.2379
1983	352672870353.2387
1984	367886417696.096
1985	396333669128.69196
1986	428115381307.1151
1987	370927921228.50854
1988	352554068214.93243
1989	353188973792.23334
1990	492690331077.76044
1991	248047376711.0682
1992	272389124650.28735
1993	282308573963.49286
1994	299688669571.661
1995	332251411110.22205
1996	372323167892.5909
1997	390541342729.42487
1998	402172174044.01373
1999	433929747586.52844
2000	461328066779.86127
2001	469385280798.26483
2002	452585784295.02655
2003	495927753235.84125
2004	590342902262.1942
2005	690901665942.895
2006	815164767836.6232
2007	1008530396915.5795
2008	1251515175736.7903
2009	1208144718314.3357
2010	1390886136461.9097
2011	1624759709400.0583
2012	1757688309225.5696
2013	1614179758786.3867
2014	1593612206098.383
2015	1431705300609.0603
2016	1470932601873.154
2017	1469660386112.4468
2018	1390034009150.5227
2019	1397019396055.0508
2020	1288353224226.665
2021	1492918801442.2651
2022	1714144062809.7615
2023	1604229965840.4917