Year	constant 2015 US$
1961	7006226749.186451
1962	7757228176.99735
1963	8516419369.560821
1964	9273621619.25581
1965	10482313900.096188
1966	11757694265.35037
1967	11923361506.63098
1968	13118365180.67063
1969	14249254696.361568
1970	15748917619.196915
1971	17775299412.261997
1972	19124621653.567978
1973	21645548241.049114
1974	21255715438.826664
1975	22044740774.417362
1976	23706444042.71432
1977	27669939193.04144
1978	32395667448.554413
1979	35457352502.98398
1980	39773358527.58968
1981	42797487660.796745
1982	45037037330.70735
1983	48515581411.04286
1984	51355089847.39907
1985	53589491665.17949
1986	58185704640.962494
1987	64381144679.64427
1988	70413959389.66782
1989	73108859979.82146
1990	77686821479.87016
1991	84879306878.85797
1992	92163517643.0746
1993	99395079919.59612
1994	105854347379.95004
1995	107578760846.92384
1996	111586012740.35757
1997	117767647175.59929
1998	111294691108.44464
1999	112458222686.50655
2000	117536695809.57677
2001	119182604531.5652
2002	117935537353.02705
2003	116099041105.58234
2004	124373628421.66364
2005	128781008821.58018
2006	136630898336.92091
2007	148446973925.29318
2008	151266709929.60388
2009	151537791142.91403
2010	160803106000.77795
2011	174298902339.90286
2012	181450087925.20984
2013	189833014129.30374
2014	196173062014.18808
2015	205513722707.77567
2016	209633525368.2376
2017	221158630314.61493
2018	232859464213.25455
2019	231002610550.56772
2020	206518255852.99832
2021	218026045296.7559
2022	213219121373.55313
2023	231146573299.42822