Year	constant 2015 US$
1960	10082416907.828756
1961	10839045303.050592
1962	12497077248.024256
1963	14043742235.996084
1964	15760357867.551641
1965	21127077786.790127
1966	23113884058.161236
1967	24640020769.6234
1968	27099255654.77329
1969	28632860974.97139
1970	31231297835.8278
1971	34496346891.539215
1972	38683370677.26837
1973	42284983412.35494
1974	45084436823.630394
1975	50795054814.68486
1976	54281142629.01339
1977	54275421999.5891
1978	59402218012.41824
1979	65095197403.55346
1980	71308277318.94603
1981	78629790139.03545
1982	80226777741.71806
1983	82411711031.49397
1984	87842263408.82945
1985	88636784603.84827
1986	89947744572.15327
1987	88863223143.38591
1988	88418291270.00491
1989	88291167881.582
1990	90341032563.33989
1991	93884597098.38202
1992	96057612569.6609
1993	98004189499.37224
1994	100804617902.53091
1995	99909830427.51154
1996	100018177141.0571
1997	105198550661.39609
1998	106861036209.58679
1999	112405107856.66386
2000	115759490514.9439
2001	112852847898.32257
2002	113131977260.46687
2003	113165371893.10628
2004	112290018596.58536
2005	115000398640.75713
2006	117878428747.09042
2007	120114836398.99641
2008	123418473493.8274
2009	126959324486.2682
2010	129506106190.4834
2011	133614031750.32655
2012	137620889273.07706
2013	138725125600.8464
2014	141936224938.44186
2015	144397160837.83798
2016	147115072473.1402
2017	147633891769.82373
2018	152140017401.3826
2019	149495577759.43393
2020	148402161919.895
2021	147728712244.1489
2022	149435619538.4632
2023	152531548777.2039