Year	constant 2015 US$
1960	3055963654.56331
1961	2852204059.5437403
1962	3083234420.1388245
1963	3008796981.2440953
1964	3183999262.6954875
1965	3388106342.860015
1966	3363272248.14725
1967	3549711914.7160764
1968	3865564807.9362574
1969	4480898487.968483
1970	4234121168.9924126
1971	4427551173.424636
1972	4953758046.993318
1973	5328017051.767676
1974	5149947395.136625
1975	5893682542.447317
1976	5705679247.653969
1977	5448968290.880327
1978	6820454165.652573
1979	7390166693.750821
1980	7767552955.19306
1981	6848415516.4496565
1982	6741720887.361964
1983	6681567191.323701
1984	7370115461.859642
1985	8427863939.758412
1986	10172872994.4856
1987	10965172593.737389
1988	10992674054.15911
1989	11916594355.505264
1990	14013143817.187838
1991	15688985319.194643
1992	16565352927.86317
1993	17595691923.852962
1994	17603234130.53152
1995	18230056818.379044
1996	19980692461.169636
1997	20610363624.187153
1998	22130476117.52085
1999	23441464652.18888
2000	24882282131.76684
2001	25581692445.17018
2002	24973509563.918175
2003	26811633718.60857
2004	29441481659.742973
2005	32141508954.07531
2006	35200833516.98917
2007	37390285752.46507
2008	38151834356.108864
2009	36165534693.53985
2010	36911400064.44576
2011	41435830346.151344
2012	43289369619.962524
2013	45313965548.51937
2014	45183028791.47525
2015	45932176699.465836
2016	45836253671.324875
2017	47013955032.03647
2018	47315948443.82624
2019	48775218541.1341
2020	37820662836.899765
2021	43355385087.99869
2022	48689507850.589905
2023	50211523698.531235