Year	constant 2015 US$
1970	41486787288.370674
1971	43271393282.912476
1972	45521882630.71482
1973	48434621361.21208
1974	52939450066.54724
1975	55692402298.10114
1976	59534983839.76716
1977	61856703915.14763
1978	65196822573.06208
1979	67934373656.18123
1980	70306147186.59647
1981	73164010519.0363
1982	76662749577.84607
1983	79152236878.39217
1984	80622380291.42146
1985	84117755307.14685
1986	88028605176.97302
1987	96097570959.43005
1988	99603038104.40857
1989	107895721628.07967
1990	114664435939.85858
1991	121584537737.99881
1992	125833486142.44646
1993	129179155693.3527
1994	129870493175.50114
1995	133032814611.71873
1996	134495152601.56248
1997	138015637003.51562
1998	142869755900
1999	148283069293.35938
2000	154978979588.28122
2001	160928187707.81247
2002	167033837144.92184
2003	175041191676.56247
2004	186027588319.5312
2005	196380453101.95306
2006	205976630092.9687
2007	218777080312.1093
2008	231867113395.70303
2009	241573132162.89053
2010	245244510317.96863
2011	245353242581.24988
2012	235034772698.43738
2013	230372599532.03113
2014	228940218390.23425
2015	233460373906.6405
2016	235842498082.8124
2017	238260126671.48425
2018	243630169062.10925
2019	248212457300.3905
2020	257054165525.7811
2021	265693942405.078
2022	265210194784.7655
2023	275188044210.1561