Year	constant 2015 US$
1960	4151435154.8826118
1961	4236482815.085977
1962	4332696292.692225
1963	4292428143.037365
1964	4462516417.178316
1965	4442334514.276879
1966	4534048838.458279
1967	4784716703.267247
1968	5111454772.345358
1969	5301663360.445955
1970	5581403272.4187765
1971	5800716980.832214
1972	5726895807.583574
1973	5576938281.899629
1974	5688860706.292702
1975	5760465920.10296
1976	5583685378.335928
1977	5715683720.688393
1978	5563543310.522976
1979	6111811047.754227
1980	6170038735.214328
1981	5565374939.110291
1982	5459632815.266472
1983	5508769510.570905
1984	5605733876.774733
1985	5670555451.89363
1986	5781711090.788502
1987	5849641181.110714
1988	6048934315.211652
1989	6295421169.566597
1990	6492398920.486707
1991	6082965417.781104
1992	6154798240.8070755
1993	6284044275.816251
1994	6281398611.318785
1995	6386837686.072535
1996	6524423229.109418
1997	6765402319.373051
1998	7030408175.562671
1999	7360783017.346476
2000	7688842733.277393
2001	8148653656.698618
2002	7137571065.486969
2003	7835974694.571649
2004	8247912168.091135
2005	8640170094.376478
2006	9106610406.889341
2007	9626649240.51396
2008	10272850829.860613
2009	9864124029.230537
2010	9925206605.678354
2011	10081868751.874582
2012	10385448752.875628
2013	10624353147.158657
2014	10979121878.073528
2015	11323020701.301685
2016	11775165456.534592
2017	12238318933.71647
2018	12629254472.201223
2019	13186360203.144243
2020	12245161113.128405
2021	12947986307.587513
2022	13439517645.878988
2023	13975132286.380466