Year	constant 2015 US$
1966	11503873793.696848
1967	12840518999.259888
1968	14058015178.01287
1969	15145860683.49591
1970	16429549441.476229
1971	17057057660.408337
1972	16877921366.93115
1973	17459213297.152573
1974	19518155003.433525
1975	23146288268.303154
1976	26607927587.391953
1977	29583165982.482567
1978	27964673220.595917
1979	29311333835.10915
1980	29188804104.900837
1981	29058768640.870674
1982	31009652951.871834
1983	30884397568.10871
1984	32710631051.914177
1985	34645517681.5457
1986	37689479749.31591
1987	37923661019.49427
1988	40978203100.874664
1989	43157094087.843056
1990	44296214496.354675
1991	47813863628.66585
1992	47389850650.59436
1993	46835708268.576904
1994	50598668198.1472
1995	50224598743.13366
1996	54016207475.83905
1997	53428019870.340096
1998	57045618880.30441
1999	58043641245.332985
2000	59154954525.00127
2001	61351916864.081566
2002	63451238544.82399
2003	68645732275.15317
2004	72622491558.51317
2005	74284927908.47165
2006	79057204254.14343
2007	84577878723.81412
2008	94159090323.30481
2009	97162169240.25975
2010	98939277487.70427
2011	105373070471.68701
2012	108937720203.5857
2013	113159461139.48895
2014	114775412084.19804
2015	118470685395.4816
2016	122901499468.52032
2017	126939828378.72803
2018	131391543267.06943
2019	133871516555.98297
2020	125040649786.02954
2021	136216116150.56912
2022	134036028939.50597
2023	138095075865.5719