Year	constant 2015 US$
1960	3163060185.3743463
1961	3263977226.98596
1962	3409856831.0582595
1963	3777224799.924989
1964	4005607476.9651837
1965	4230320087.220066
1966	4448609314.831901
1967	4670563563.731673
1968	5103740494.143077
1969	5341576975.555194
1970	5721640631.360258
1971	6011015982.228934
1972	6367934326.91128
1973	6818327986.074059
1974	7338253263.894646
1975	7395449071.261966
1976	8028236921.237328
1977	8700169776.668941
1978	9107391232.108908
1979	9449627991.967094
1980	9706921472.908346
1981	9762847540.90061
1982	9328178730.036825
1983	9047971888.328627
1984	9153421010.452782
1985	8950830860.48183
1986	8819415453.112867
1987	9087492715.546978
1988	9385424142.371803
1989	9746129155.662653
1990	9972208649.955967
1991	10374771468.482758
1992	10844502056.077644
1993	11309364683.079987
1994	11906456214.218657
1995	12564924693.686018
1996	12921189612.805029
1997	13431315209.824514
1998	14129353339.333506
1999	14650333049.223236
2000	15300202395.242273
2001	22047548921.078777
2002	22780062492.701538
2003	23512934898.732033
2004	24445120271.587612
2005	25383159445.568535
2006	26818444091.631584
2007	28566871022.94804
2008	29961744519.879017
2009	30355404822.03277
2010	31483955923.45403
2011	32706843739.968357
2012	33884486016.794506
2013	35155470980.36715
2014	36550093042.02724
2015	38212709908.730644
2016	39364592698.95285
2017	40697684117.30549
2018	42171818524.17063
2019	43838167285.367645
2020	42902395941.51296
2021	46368435882.96026
2022	48496248939.87227
2023	50308315251.237625