Year	constant 2015 US$
1960	20546434617.373344
1961	23265575969.36103
1962	24794105759.60785
1963	27682482046.150967
1964	29815769690.50917
1965	30774020151.00824
1966	31211598518.558758
1967	33228583858.298275
1968	35004082548.51156
1969	35027936805.75339
1970	33085056256.909428
1971	36524931291.998474
1972	38094713473.54007
1973	37090217926.38087
1974	38516926959.25184
1975	37825817647.04203
1976	41960903327.65951
1977	47635917084.6386
1978	50099661168.49835
1979	50067110073.50057
1980	51259917954.78619
1981	51195242716.8262
1982	54085872659.128685
1983	58051099882.72725
1984	59018585871.740906
1985	61736925079.23414
1986	67620333943.22095
1987	75089849870.97403
1988	77689724120.09639
1989	84471021500.64322
1990	98391571840.00653
1991	90811846842.62262
1992	100437906931.51039
1993	99608127906.45041
1994	105344556768.06938
1995	118112446067.15309
1996	123667339696.44212
1997	134919118606.33093
1998	149246040743.56586
1999	174231612214.8707
2000	171105928724.85886
2001	209074720236.6859
2002	207574913660.6862
2003	218194454884.7705
2004	243186386290.04916
2005	283169224018.0576
2006	322456437127.772
2007	375110021866.09717
2008	387111067108.78284
2009	416829118212.9421
2010	462872670718.20514
2011	518847632168.61523
2012	544473914736.2276
2013	552977528566.2543
2014	567372901868.7736
2015	604427075367.4863
2016	655552238038.8315
2017	706699366107.202
2018	785871380742.9117
2019	794883608963.9763
2020	738477753553.0826
2021	867868706483.2194
2022	925358874372.6685
2023	1019987333670.7878