Year	constant 2015 US$
1960	25452897010.621124
1961	27181972529.804317
1962	30232453516.431267
1963	32296634299.55878
1964	34417701873.74491
1965	37123247910.2601
1966	40724696825.722916
1967	42690218510.7723
1968	41338382166.194786
1969	42974228068.91445
1970	44427495195.2714
1971	47127283058.03052
1972	47981953533.35893
1973	53755175794.93055
1974	60525283289.45041
1975	62563228813.32447
1976	61909243936.77056
1977	61086203951.23566
1978	55768569902.06958
1979	56100029107.90901
1980	64069198248.48692
1981	69757773184.43692
1982	68539543231.15437
1983	60277383497.06222
1984	60252956044.58681
1985	60151551548.95573
1986	69594408239.38118
1987	77951178885.25285
1988	70240340016.49422
1989	58021141196.07778
1990	57093767803.57581
1991	59140694150.62513
1992	59108971268.498184
1993	62257574691.49147
1994	70329347377.05438
1995	78251278927.68402
1996	79170909096.28326
1997	84011243068.63156
1998	82755661309.50345
1999	80093264436.03613
2000	81409301593.38155
2001	80964433087.44942
2002	84298050526.4016
2003	86895093824.98347
2004	89478061501.20992
2005	93706357046.14755
2006	103882502859.17441
2007	116273679711.91202
2008	131741997700.76498
2009	129266915193.63135
2010	147344799906.9047
2011	159802061715.87155
2012	172669402599.48178
2013	184147546946.41193
2014	189841138806.2022
2015	194715301502.08563
2016	197950395645.83017
2017	202200693410.36542
2018	210253373266.54828
2019	215846218227.18726
2020	193110883401.53833
2021	223744441022.3499
2022	229671434347.2367
2023	224792801674.5332