Year	constant 2015 US$
1960	466069845.86809134
1961	504376977.0576504
1962	561837625.653943
1963	734219636.1921686
1964	776783065.1210252
1965	898088947.823798
1966	800608801.4425668
1967	1010676791.5644059
1968	1026538089.0603875
1969	1069485357.8929942
1970	1126017258.7256873
1971	1216116091.2150297
1972	1309114300.5603049
1973	1521224943.48717
1974	1281592034.4414918
1975	1339242436.237143
1976	1553824093.994488
1977	1725363291.3342707
1978	2379242201.705173
1979	2152487920.4223013
1980	2178697336.029877
1981	2401604290.7719326
1982	2148553334.8395696
1983	2635220298.500957
1984	2411916712.119304
1985	2273095654.9283047
1986	2823223673.232311
1987	2370667026.5161242
1988	2087075438.1812446
1989	2827983252.4800935
1990	2741914196.9447436
1991	2689035670.7895265
1992	2625785677.2240615
1993	2604562054.357288
1994	2327992316.9646907
1995	2366930051.4554267
1996	2142415817.241068
1997	2126837896.8686223
1998	2573887596.8059635
1999	2722260680.586396
2000	2843947969.0020895
2001	2835540623.4815645
2002	2896452023.1806545
2003	2904608731.454982
2004	2986231374.6947536
2005	3135893380.576441
2006	3329666283.9848084
2007	3448950639.6928773
2008	3562232468.225819
2009	3740868669.131307
2010	4021773311.0399528
2011	4311981310.842963
2012	4580229668.265852
2013	4953564188.6367655
2014	5227991644.7063465
2015	5442339301.953393
2016	5567513105.977174
2017	5590896661.095617
2018	5568533074.459783
2019	5621184389.811068
2020	5508760702.121693
2021	5429860455.89664
2022	5412612479.101675
2023	5484167461.791952