Year	constant 2015 US$
1970	10027908427.989832
1971	10416130316.95819
1972	10966242341.310534
1973	12489437113.205063
1974	13831630390.174591
1975	11664662953.75272
1976	11774985149.006237
1977	12273609118.156237
1978	12610894379.828894
1979	13829655457.229282
1980	13629463827.348032
1981	12972108506.013659
1982	12931438201.49491
1983	13615486183.95194
1984	16070144765.348423
1985	17483852805.19608
1986	18005067566.312096
1987	18602810979.05897
1988	20662628317.581627
1989	23263729286.38592
1990	24563524747.265995
1991	26819776905.022243
1992	27552239591.974586
1993	28863326565.542553
1994	31083019164.039818
1995	32503783705.871845
1996	34512197312.171844
1997	39162540852.138245
1998	45520839688.59761
1999	50988649026.60581
2000	59661851091.24565
2001	63490425032.66752
2002	63427949471.30932
2003	65193478501.20971
2004	71212074447.40775
2005	75467978388.16673
2006	85220279376.07376
2007	89590620695.39758
2008	89297083527.00227
2009	82829002828.06712
2010	91241385040.4304
2011	95245194338.2847
2012	96787140987.54369
2013	102900380602.33783
2014	109605514277.91948
2015	115238593327.5765
2016	121356387492.78667
2017	121081080730.69722
2018	125454050486.05893
2019	132976014208.79604
2020	133765445944.63042
2021	147514352163.19293
2022	146568658850.86868
2023	144565832751.4859