Year	current US$
1960	3052993636.3971047
1961	3687339031.645485
1962	2949160176.729827
1963	3515690732.782267
1964	4001288352.2557673
1965	4304281997.410134
1966	4676353689.633933
1967	4735101851.5640335
1968	5427155199.100301
1969	6261770752.920234
1970	7364277925.141301
1971	7012333173.083149
1972	9168824837.8168
1973	11835802404.710299
1974	17075130883.46275
1975	16050008787.255636
1976	15864905769.074125
1977	18153376715.829597
1978	17599385989.296295
1979	22480105812.02824
1980	25249789919.856667
1981	26727967129.925526
1982	29087663989.13959
1983	32488543974.06726
1984	30470017330.501568
1985	28740117286.324795
1986	35628837312.24015
1987	42802884824.60686
1988	52349277417.07393
1989	52142996978.29931
1990	61661395508.95943
1991	70591957101.76035
1992	79002421132.56517
1993	79398331244.7804
1994	90220195074.09152
1995	104892955202.0722
1996	114505860826.51878
1997	118859377862.81673
1998	120056692192.31073
1999	120922937410.9235
2000	136035771711.67194
2001	134635822098.58049
2002	125060622862.93216
2003	131299915899.95828
2004	139973148371.26282
2005	147083996033.60297
2006	158670456932.53735
2007	184052121662.0822
2008	220531065217.3913
2009	211970040942.9596
2010	238364092298.02286
2011	266791854430.89716
2012	262282344091.84918
2013	297732778479.1286
2014	314330061977.26337
2015	303414276832.04004
2016	322102790386.835
2017	358245427458.54095
2018	376691526553.27637
2019	402470513619.148
2020	413267669231.52216
2021	488526545878.89136
2022	525002447652.77344
2023	509901495702.1033