Year	constant 2015 US$
1970	6655289918.483197
1971	7082267092.721087
1972	7692232899.471087
1973	8292218637.769915
1974	9728043707.579288
1975	10372020522.478506
1976	11098064677.358583
1977	12407459643.768347
1978	12959231499.405066
1979	13788536909.50272
1980	14890792476.310143
1981	15709675122.313267
1982	16295124022.719128
1983	16912567946.351938
1984	16949840922.399595
1985	18039397004.660923
1986	19331613382.98514
1987	20070961706.936703
1988	21796232061.60076
1989	23200215220.96209
1990	24167581758.091774
1991	26492438426.414036
1992	26242234393.474976
1993	26182680179.55779
1994	27312700196.940212
1995	27582579221.968727
1996	28374937852.808567
1997	29030540143.775753
1998	30974360128.609344
1999	32047718432.18044
2000	33430082732.867935
2001	34661916091.14567
2002	35580157835.530045
2003	36227428794.20153
2004	37235861731.95192
2005	38278748373.49489
2006	38149079601.967545
2007	38370447394.879265
2008	38631597881.99724
2009	39614747239.99607
2010	39055371892.519905
2011	37613010682.27186
2012	36275258785.403496
2013	35516264316.69764
2014	35298841951.624985
2015	35593202378.58514
2016	35880643883.159355
2017	35950641941.91599
2018	36170520768.528496
2019	36944350534.0949
2020	37071794732.27654
2021	38742697845.78709
2022	39283395653.262474
2023	39686688055.824196