Year	constant 2015 US$
1960	477873468.4427696
1961	485476845.81552875
1962	682785003.0194705
1963	770984450.6564299
1964	808241047.3189514
1965	853861441.2636408
1966	738831661.497185
1967	652492738.8278857
1968	676616402.5220809
1969	714875756.4946418
1970	778521248.5008717
1971	722889552.7520328
1972	719341650.8793807
1973	736304858.6343461
1974	1010143754.0847898
1975	811814457.8668549
1976	609791507.8373015
1977	685625672.6880755
1978	793301333.0478965
1979	963751199.4571011
1980	1180070797.6672409
1981	1503266259.7995496
1982	1527256964.1821194
1983	1572522410.4964914
1984	1565649879.9726114
1985	1634083461.842564
1986	1750868366.47969
1987	1350124126.2875686
1988	1341161559.326711
1989	1501002958.8345323
1990	1582485357.9673126
1991	1598310199.4050274
1992	1901558681.8703852
1993	2227722398.1552997
1994	2513147051.7079387
1995	2318665934.334628
1996	2518804876.39106
1997	2854993979.143947
1998	3079106527.6781635
1999	3248853379.782177
2000	3401225675.5336843
2001	3733400869.218407
2002	4051182365.803586
2003	3724551932.7711854
2004	3959046326.6946115
2005	4341414366.995737
2006	4810095776.911889
2007	5275028952.810879
2008	5419160757.957624
2009	5676346918.015513
2010	5953434416.675756
2011	5797334448.661494
2012	6177915831.338967
2013	6565913318.973831
2014	6849230039.953518
2015	7321968248.148389
2016	7464687137.186753
2017	7526397727.19259
2018	7738443225.679286
2019	8229413530.077229
2020	8635361137.653461
2021	8640670240.184353
2022	8975425821.720167
2023	9182019672.732206