Year	constant 2015 US$
1960	2405279232.777467
1961	2494607644.076614
1962	2636090044.413454
1963	2721497103.153376
1964	2409828001.7461686
1965	2436571626.2000837
1966	2628247339.295005
1967	3285466028.221125
1968	2892311220.6332207
1969	3029872268.4108357
1970	2828393173.917852
1971	3359187456.334556
1972	3337620017.258818
1973	2915133492.52791
1974	3800574900.400929
1975	3474553648.6269574
1976	3390479849.757172
1977	3788810842.7232533
1978	3940724040.867632
1979	3855316982.12771
1980	4240001668.187689
1981	4485164630.190439
1982	4106361972.9692984
1983	3174021188.487948
1984	3535883602.6532364
1985	4255059662.015112
1986	4535436369.999703
1987	4650802562.292105
1988	4781226748.41193
1989	5484168408.178614
1990	5092895849.819138
1991	5320334298.254191
1992	3869982840.699211
1993	4799061201.019979
1994	5178187040.43364
1995	4147727819.1834354
1996	5143182490.768128
1997	5189471132.400772
1998	4914429165.763737
1999	5219123773.037222
2000	5464422586.378036
2001	5284096647.905613
2002	5627562922.764976
2003	5665890544.229751
2004	5714585476.804131
2005	5875153076.518604
2006	5554206376.507179
2007	5719675180.672966
2008	6829950388.341444
2009	6700708490.018225
2010	6680583489.110577
2011	6813796337.26019
2012	6933950634.353393
2013	7244584647.696362
2014	8037807442.737276
2015	7745421796.450391
2016	7346426996.923083
2017	8748151659.325752
2018	8791274483.239462
2019	8217959555.493454
2020	9684352874.232967
2021	10405092721.93923
2022	10496930798.87628
2023	9219278837.268913