Year	constant 2015 US$
1960	3641166333.675241
1961	4089516199.766847
1962	4559250578.469128
1963	4419345123.084035
1964	4546564850.649236
1965	5175052051.783306
1966	6066315043.472279
1967	5787953930.167223
1968	4534604021.56191
1969	4779982242.535247
1970	5202960652.987069
1971	5980052094.297015
1972	5633188050.7645445
1973	8331623582.738681
1974	11118859209.45206
1975	10898852444.118507
1976	9450142327.086859
1977	8298278241.04068
1978	7699149438.575502
1979	8986932036.977667
1980	12290658010.643787
1981	15017002143.821688
1982	13998156975.201231
1983	9053985169.739954
1984	8511398468.4148655
1985	7266747344.600333
1986	9431657409.406446
1987	11551623752.793516
1988	10169241869.791588
1989	8010130994.845996
1990	8057974311.195303
1991	8396864468.669556
1992	8503424582.3566475
1993	9499797890.267582
1994	12636797155.443695
1995	15146396567.584587
1996	14403012917.338924
1997	16551250311.29604
1998	16210185457.62409
1999	14028965171.335258
2000	13620484735.534742
2001	12679566180.665049
2002	13181196103.6002
2003	13849915184.391644
2004	13877461336.229124
2005	14741540625.446901
2006	19846639949.537666
2007	25529483563.482933
2008	33468212033.171257
2009	26706356655.802616
2010	36271395432.001076
2011	40699801789.24218
2012	44563874483.18124
2013	48353645057.032364
2014	47842591450.57387
2015	46131830441.71988
2016	43468190048.908875
2017	43481963124.827614
2018	45740022676.76837
2019	45905662037.15953
2020	34907498466.67957
2021	47913993975.73155
2022	48727330353.66976
2023	42647967133.0113