Year	constant 2015 US$
1960	15330528912.575888
1961	15483143633.353287
1962	16654545615.310972
1963	17594638147.93281
1964	17830810754.65148
1965	19057299046.60008
1966	21180023033.681763
1967	23913029061.78639
1968	27733879185.907425
1969	31698413505.430126
1970	36042274100.81322
1971	40333170491.24517
1972	43602715410.24044
1973	48485590685.72725
1974	51848508226.47277
1975	55824448860.58428
1976	61214418819.534805
1977	67618312882.28279
1978	74526914260.32475
1979	80440955743.05722
1980	85151233141.97537
1981	90301051547.25764
1982	98895046432.10028
1983	108628081197.04399
1984	118615061198.4145
1985	129048655889.61507
1986	142495728158.3443
1987	159624564250.04575
1988	179607454778.16254
1989	196302408810.27264
1990	214559851098.96292
1991	237109250830.605
1992	255962208846.08307
1993	276984665580.5613
1994	303141201774.6101
1995	330768003077.05206
1996	356653175089.1392
1997	382194477663.73895
1998	372922381797.6438
1999	407492003421.8941
2000	438558206467.55695
2001	465428388902.2746
2002	504634986880.52734
2003	517215798187.8104
2004	533905004852.10443
2005	557418547640.1526
2006	584852237383.9747
2007	618755075920.5181
2008	642603911304.8512
2009	655528415207.535
2010	688987026422.4181
2011	715865874119.3816
2012	739913568430.1506
2013	766440500374.6842
2014	790520026261.0498
2015	814773211076.504
2016	838602151726.0892
2017	860430559002.4337
2018	893426199663.3368
2019	923605085107.0579
2020	916191130710.6884
2021	951026568530.3226
2022	990982456179.3353
2023	1011554999135.8433