Year	current US$
1960	2630449815.88627
1961	2811619252.1177793
1962	3084790644.480894
1963	3425779843.3258524
1964	3727560575.217336
1965	3796507020.4131117
1966	4339639145.115248
1967	4538810875.28154
1968	4886012419.105737
1969	5131147371.378061
1970	2847919109.6935124
1971	3047873410.8848834
1972	3471387364.0414114
1973	4145386650.422939
1974	4977618276.6662
1975	5726524240.776799
1976	6460574250.0296
1977	7721982720.043459
1978	9255840594.142092
1979	9795996465.633602
1980	11395563746.260532
1981	13140293217.0986
1982	13902498162.852575
1983	14030945459.38335
1984	12818879526.750612
1985	15233511340.876287
1986	10737310860.483772
1987	7728301960.770039
1988	7226014421.607002
1989	6239698903.121178
1990	5997934145.687926
1991	7012318513.500276
1992	6494897516.437268
1993	6018772720.137151
1994	6396680442.683147
1995	7501962230.638516
1996	9361557739.184013
1997	11036659696.711035
1998	12067792336.95948
1999	12542733049.39852
2000	13256772380.166674
2001	13250096860.339668
2002	14048122990.22551
2003	15039662618.868383
2004	16476518079.635174
2005	18075822050.288082
2006	18622469494.00627
2007	21602330379.660706
2008	27657258781.97394
2009	29135963893.993675
2010	31435805579.91271
2011	34013428042.16383
2012	39080121049.55796
2013	44945732449.634544
2014	49453645654.06745
2015	46684218023.575066
2016	48817192683.22525
2017	52339432682.93876
2018	56365032376.36584
2019	60012994185.171906
2020	64804138398.10658
2021	69464087924.35435
2022	74478063832.08176
2023	77758368213.61343