Year	constant 2015 US$
1970	281433110553.61273
1971	301055721391.86255
1972	325324295481.47235
1973	370445980597.8634
1974	420666316330.82733
1975	441822819166.03723
1976	449684325147.56757
1977	458532239926.66266
1978	474700749878.029
1979	504628567862.0102
1980	572493654258.3811
1981	568491592207.3805
1982	475625088103.4644
1983	378565838696.3178
1984	387999336775.3999
1985	437330032963.3457
1986	435924952327.5043
1987	454932925183.91943
1988	459343417795.0561
1989	458646124120.8729
1990	447269712927.1981
1991	482250536534.0486
1992	513242213230.8636
1993	551951307329.5818
1994	632711650232.7286
1995	591992863082.8826
1996	630601092248.6255
1997	703000158949.8737
1998	726309715862.3411
1999	675754206854.2856
2000	711543294492.9598
2001	685135214675.0206
2002	652347479414.4442
2003	665410604091.2234
2004	732697342771.5544
2005	758104446860.1461
2006	834679178569.4495
2007	937373585456.8933
2008	1041055016695.8684
2009	882664919746.0372
2010	1056107065802.6829
2011	1154101469981.2295
2012	1152123172552.36
2013	1181928714806.8496
2014	1161509868721.2825
2015	1093593920057.0293
2016	1026098203115.6174
2017	1062084704997.4532
2018	1072945456367.3777
2019	1047453650337.8839
2020	899674863714.2487
2021	1087291500154.1288
2022	1152868459559.641
2023	1142791620372.6643