Year	constant 2015 US$
1970	3401243557246.5664
1971	3465466694276.923
1972	3661865441650.4463
1973	4026223868871.5596
1974	3957801936864.1206
1975	3552866998675.8877
1976	3864441412549.2505
1977	4002110708048.866
1978	4210805008293.7925
1979	4489844011751.361
1980	4408587023148.961
1981	4380343907591.4004
1982	4165123797017.7817
1983	4242873818307.2393
1984	4689084105647.387
1985	4886954185899.644
1986	5074550281570.607
1987	5315712029266.193
1988	5748254860635.255
1989	6120450819703.033
1990	6320984239596.314
1991	6266061400511.895
1992	6313690803826.024
1993	6246786852945.938
1994	6636427765177.717
1995	6857735353326.983
1996	7174184376081.625
1997	7533379725032.601
1998	7834110499351.9375
1999	8190305866761.208
2000	8634892732815.367
2001	8498311595922.102
2002	8415817073097.687
2003	8638157999170.812
2004	9069942900490.186
2005	9442441831158.477
2006	9866496133994.434
2007	10075892807325.379
2008	9776556061394.797
2009	8276575320530.014
2010	8905669275283.84
2011	9317882821746.428
2012	9431299584689.654
2013	9658639197286.502
2014	10092534238403.508
2015	10524867628614.686
2016	10664378665289.39
2017	11131788550958.71
2018	11539379020261.344
2019	11853107319139.316
2020	11226580114019.832
2021	11950238268314.916
2022	12413641345462.818