Year	constant 2015 US$
1960	1626890060.1069598
1961	1675584166.511095
1962	1727134158.900373
1963	2400138203.4609823
1964	2339591724.4306974
1965	2352587656.7683682
1966	2604625151.6418123
1967	2730715183.746852
1968	2914352771.4300575
1969	3178385212.994861
1970	3681746039.1465406
1971	3714446826.552452
1972	3076142360.7139573
1973	3252925526.9688144
1974	2691017552.162256
1975	3001744762.6629157
1976	3426567202.7992144
1977	2824104721.6185446
1978	3184382759.6336846
1979	3608205609.0575776
1980	4312054067.729615
1981	5098867713.843635
1982	4793709904.577445
1983	5971645908.246277
1984	5751166747.55716
1985	5730460762.620619
1986	7610532056.998971
1987	8523007296.641111
1988	8155446689.428929
1989	9278834496.001972
1990	9383218952.458055
1991	12523334744.708174
1992	14254182414.59529
1993	14441961037.30491
1994	14891201756.748869
1995	14433250393.117533
1996	14721130014.538109
1997	13758960921.518785
1998	12970576301.23513
1999	12600873752.220646
2000	14619029851.848494
2001	16570585765.15299
2002	18745982289.030342
2003	23591297042.366688
2004	23271906939.517437
2005	27365279038.469257
2006	30405738198.97614
2007	31336262854.425262
2008	32083290018.26268
2009	30281714958.001373
2010	32660069220.084053
2011	33567226716.366467
2012	29228419821.58733
2013	31903593273.12153
2014	31111445515.709145
2015	29920081362.9557
2016	30353897291.111073
2017	31104045738.362854
2018	34227080893.417053
2019	38735583686.47908
2020	39322586683.97403
2021	41886890874.63684
2022	44374606182.10718
2023	45446774729.78113