Year	constant 2015 US$
1960	3620166966.5244436
1961	3674616800.6094227
1962	3795930898.277171
1963	3912046373.177546
1964	4019082372.4496355
1965	4059442675.2321277
1966	4186995370.298152
1967	3676562915.3945575
1968	4053917682.9454765
1969	4178545451.459625
1970	4205862814.2660537
1971	4538201176.145316
1972	4545117420.999122
1973	4571795262.733712
1974	5033089342.868991
1975	5740333851.380346
1976	5450469896.928675
1977	6285979597.778401
1978	7011148354.9474325
1979	7525339860.224104
1980	6606741056.993497
1981	7739628890.178099
1982	8767536379.535383
1983	8836855766.999306
1984	8967064632.67285
1985	9507233253.034603
1986	11843768210.46122
1987	12341995226.967165
1988	10861833269.872637
1989	9564521010.65952
1990	9567252511.626013
1991	9514995392.162949
1992	8460300204.63656
1993	9525825646.747923
1994	9841289322.427315
1995	9957744029.88476
1996	10554809408.913797
1997	11277188154.727213
1998	11996466427.397066
1999	12690249005.89665
2000	13539490014.251871
2001	14312044076.127335
2002	14792383853.367125
2003	15828663981.12885
2004	16721523332.495773
2005	17576450104.583996
2006	18068619540.15504
2007	18688706043.130997
2008	19793267827.710476
2009	20756254647.66457
2010	21237194250.71852
2011	22010012142.924904
2012	23172521477.99885
2013	24503817285.071655
2014	25858344056.376774
2015	27479191444.34476
2016	28163971176.26912
2017	29297036850.20156
2018	30775292220.81304
2019	32010365999.85971
2020	32130643952.705074
2021	33554468513.862617
2022	34593638527.50459
2023	36461730417.07973