Year	constant 2015 US$
1960	2724859467.630632
1961	2787263395.6276093
1962	2985056533.6482067
1963	3212445990.4369116
1964	3421963791.8721075
1965	3561718467.753502
1966	3751057472.947673
1967	4011246257.099413
1968	4237042974.066827
1969	4307124423.995535
1970	4538761354.098477
1971	4294060448.0722117
1972	4492233318.735333
1973	4995307148.707262
1974	5312456945.64594
1975	5219600850.508574
1976	5962762729.038669
1977	6953367664.466773
1978	7240243975.154741
1979	7364482651.488818
1980	7638072899.763222
1981	6919809677.498128
1982	6256315670.667696
1983	6358976176.4532175
1984	7278733785.274468
1985	7597942729.504825
1986	7990675201.509946
1987	8484319708.037288
1988	8931396652.880304
1989	9034212321.123304
1990	9130410892.504137
1991	9143056300.397171
1992	9673171581.218113
1993	10606104406.441566
1994	11085191487.291237
1995	11381460780.726162
1996	11385961463.50205
1997	11722429308.12394
1998	12454094681.721455
1999	13121565225.128687
2000	13903096282.263865
2001	14270344458.434578
2002	14555288134.518814
2003	15198785990.768229
2004	16532239697.297
2005	17328132512.818436
2006	18668306767.688423
2007	20761019979.513878
2008	21736612298.68257
2009	19325316098.52365
2010	20171457716.341743
2011	21523682338.46846
2012	22070885207.081444
2013	22209187395.31551
2014	22893473633.510838
2015	24531861787.386066
2016	25040989600.93142
2017	26594880412.151352
2018	28056154381.245953
2019	28314662652.992508
2020	26002732879.38806
2021	30839567452.300125
2022	32573584882.00908
2023	32805903767.63013