Year	constant 2015 US$
1960	4471617722.299652
1961	5258893566.600375
1962	5358033449.0669775
1963	5851785122.803193
1964	6074801164.726895
1965	7205073733.931417
1966	7261363372.463761
1967	7610982407.772593
1968	8029940928.635808
1969	8401764181.153424
1970	9249225140.642643
1971	9494055852.199091
1972	9967356273.177002
1973	10409298106.759384
1974	10993230066.384333
1975	11293766095.109062
1976	11832510524.806057
1977	13347656193.550238
1978	14360090592.159483
1979	14825015738.102732
1980	14636085117.323439
1981	13459845923.038883
1982	12333274056.702492
1983	12828583921.101168
1984	13683835834.260986
1985	14197649213.000317
1986	14876825578.435715
1987	15395313529.341576
1988	15747075076.856077
1989	16513510120.643307
1990	17142045288.832142
1991	16980188231.216185
1992	18451106146.43811
1993	20097143058.546776
1994	21043124305.523476
1995	21423506574.722496
1996	21765127090.118668
1997	22787676743.353573
1998	23733982109.305977
1999	24153258041.109985
2000	24435854364.89697
2001	25096096640.731243
2002	26332052739.97292
2003	27474777274.01364
2004	28106086541.58514
2005	29281356186.198948
2006	30698823498.03412
2007	32798909591.777233
2008	34714478007.0643
2009	35141836850.42488
2010	37106237366.458694
2011	39209219430.87758
2012	41566232801.46259
2013	42480451798.7189
2014	44364139683.306755
2015	46230741872.97851
2016	47831041511.5976
2017	50132532889.33223
2018	50970066064.69357
2019	52260207478.15788
2020	49475220004.05619
2021	52877245799.978516
2022	54574888911.11715
2023	56969445682.693375