Year	constant 2015 US$
1970	868970613.5167599
1971	1482886342.096645
1972	1135865668.9538777
1973	1508457157.9430823
1974	1859617782.1700728
1975	1762162332.879631
1976	1379357228.1264398
1977	1769654909.2681706
1978	1534451909.1104834
1979	1588487603.400995
1980	1814999728.5976384
1981	1935106711.059762
1982	2143272363.4264503
1983	1296271181.194006
1984	1803497948.3115718
1985	1591449920.1538393
1986	1436843918.908754
1987	1888147890.1794026
1988	2110344031.6405327
1989	1767766261.3048728
1990	1760296699.0895016
1991	1982472274.8550432
1992	1719300171.270924
1993	1674743071.9035118
1994	1553684745.985314
1995	1668813920.4639602
1996	1968191351.2286625
1997	2189378287.842481
1998	2874553704.3906283
1999	2765579115.638706
2000	3127329147.665471
2001	2925430096.9796934
2002	2595538169.46268
2003	2814308708.858922
2004	3569195329.445881
2005	4519623903.912777
2006	5830888121.526844
2007	5118537924.065319
2008	4255892978.908432
2009	2200849329.5013413
2010	2006493310.5191922
2011	2273914659.7688065
2012	2378334792.165417
2013	2389512380.3751016
2014	2809246492.8325496
2015	3398974484.601332
2016	4020371252.161468
2017	4405288536.478219
2018	4562891443.959734
2019	4280996218.9217405
2020	4007238452.268264
2021	4557654279.282981
2022	5250398243.2484865
2023	5338668975.568858