Year	constant 2015 US$
1966	66166374499.90203
1967	68560714136.86995
1968	71248155038.38379
1969	76131195904.40454
1970	76394844174.88129
1971	78897987934.49176
1972	81290593451.13184
1973	86502341455.26466
1974	86287534527.01213
1975	85275459275.26729
1976	90673579955.39604
1977	92477832348.35927
1978	95388439984.73567
1979	100162735736.06538
1980	98438441941.44325
1981	100370847268.39024
1982	103779308856.07568
1983	104716440590.81839
1984	108299638397.28313
1985	111375968899.3231
1986	114169916031.96764
1987	115403038339.99484
1988	117695087172.81569
1989	118529275597.34813
1990	123265336128.35591
1991	125508110497.61583
1992	127859346386.67644
1993	131114333643.35648
1994	135495656057.46616
1995	138118977164.99097
1996	143042733963.45087
1997	146213935428.48203
1998	148982738336.59406
1999	154200772694.12927
2000	161887109960.19336
2001	164344919411.87598
2002	166254700911.85617
2003	167916201922.54218
2004	170821671705.36816
2005	175432208797.7826
2006	182181210253.74527
2007	184905743226.57602
2008	186610033622.9088
2009	182238385837.4217
2010	185911320915.09705
2011	188459242197.27942
2012	187753674608.57288
2013	190958125344.97614
2014	194121298161.37195
2015	199261221746.39236
2016	204549568760.13135
2017	208438984094.81995
2018	212692925731.89307
2019	215736765891.02533
2020	210908339485.22433
2021	223289907644.35858
2022	229073921896.60443
2023	229767575378.58954