Year	constant 2015 US$
1960	31762648325.18999
1961	32444414816.44145
1962	33455025998.572624
1963	35613182021.37921
1964	38529649352.58456
1965	39914671351.37678
1966	41778882728.00708
1967	43653838612.78203
1968	46864172163.09691
1969	50126894994.00031
1970	53412440101.32775
1971	55926184444.77556
1972	58317896272.361496
1973	62738830025.01821
1974	66029708172.884605
1975	68426753041.00949
1976	69505831052.41278
1977	68901864211.3766
1978	70031919816.16693
1979	71765942261.99344
1980	77930309708.48656
1981	83622232504.88205
1982	85376410706.86311
1983	87942544330.89943
1984	91983655799.28941
1985	88804144086.207
1986	88945077525.15544
1987	92374222591.7008
1988	97280619887.53554
1989	99946277459.27669
1990	102818198216.56844
1991	102286541131.07509
1992	100830699491.00827
1993	102737167857.4509
1994	106854121938.40332
1995	113186952332.02878
1996	118248421310.20253
1997	122100319558.92613
1998	124227923447.34012
1999	126386661257.81328
2000	131616802128.51057
2001	136214363752.57828
2002	140535895135.16904
2003	144515191958.08856
2004	153533651077.98004
2005	162950528959.19443
2006	177251485494.91403
2007	188804666755.5507
2008	191091159332.4288
2009	186140153787.6352
2010	196724408550.1188
2011	204698828879.98303
2012	211302685954.49658
2013	214580202702.5967
2014	216125448524.3947
2015	220788691538.50375
2016	222295711043.31525
2017	226106336608.9705
2018	233257112793.80737
2019	236247128918.41232
2020	221758751927.34515
2021	234699101617.95038
2022	240503286431.3332
2023	242299985964.53146