Year	constant 2015 US$
1960	1169522543319.461
1961	1174335099475.4133
1962	1210965085779.3308
1963	1265340616574.5505
1964	1375912727991.758
1965	1481615701647.5132
1966	1574351552715.4512
1967	1634316215119.3022
1968	1748289378821.9114
1969	1894286406035.6746
1970	2053318723337.4116
1971	2190319889284.3838
1972	2359453264322.163
1973	2542402681736.066
1974	2703952298552.7617
1975	2826769032982.5205
1976	3012421885353.952
1977	3142299469844.271
1978	3261114994613.604
1979	3442624213648.384
1980	3602218787606.157
1981	3668811705489.5186
1982	3780792126733.503
1983	3835095090169.4937
1984	4041001754247.2153
1985	4230083543744.517
1986	4385323364643.656
1987	4602128188937.458
1988	4757536409543.238
1989	4899230335415.881
1990	5032196720539.562
1991	5186850788290.829
1992	5421216221351.814
1993	5740028486320.826
1994	6056767361014.247
1995	6324293856047.847
1996	6716309179641.227
1997	7124328758731.157
1998	7334798600320.92
1999	7569750405533.915
2000	8020664318010.7705
2001	8294959595268.521
2002	8692086564021.891
2003	9202285627349.756
2004	9925270558689.654
2005	10669647594456.85
2006	11587308558216.205
2007	12677524485151.959
2008	13471818725053.023
2009	13939213608044.3
2010	15127529785993.336
2011	16177588600458.938
2012	17109596179633.527
2013	18073798735131.582
2014	18965808190405.28
2015	19827996310186.027
2016	20735670850466.285
2017	21846012807061.973
2018	22917334484471.57
2019	23854693762561.59
2020	23712902942260.742
2021	25544084890661.51
2022	26401639182133.348
2023	27549120233805.754