Year	constant 2015 US$
1960	1100.310896886037
1961	1129.0696802795906
1962	1150.7059544273347
1963	1197.4180059124217
1964	1204.296742636808
1965	1234.291002366029
1966	1254.7156384056539
1967	1285.4588083017125
1968	1314.9665723371172
1969	1341.4508954504317
1970	1355.372201446682
1971	1391.7506459413614
1972	1430.443071523165
1973	1517.7946998525335
1974	1532.0800255545923
1975	1577.253812039352
1976	1673.0919112558286
1977	1719.796673687898
1978	1760.0457096763034
1979	1808.73118158426
1980	1853.0735786802697
1981	1867.8906808320558
1982	1889.0912087334498
1983	1877.7000214918914
1984	1703.273077754165
1985	1548.8965086835165
1986	1566.2080181864644
1987	1597.3620646070453
1988	1665.4451503258756
1989	1728.0994066700218
1990	1739.9451867162484
1991	1691.657931053663
1992	1659.1449175522546
1993	1655.8426797987565
1994	1688.232483896804
1995	1725.5023808074038
1996	1782.9944409767354
1997	1829.718620185061
1998	1776.984542107959
1999	1794.1297909299446
2000	1831.6992076481586
2001	1848.0149381205397
2002	1877.5616529503113
2003	1933.6479796641029
2004	2020.1297002555277
2005	2079.331829099413
2006	2149.0062673338143
2007	2246.689887340108
2008	2300.8561051121137
2009	2291.622759589274
2010	2415.783575253845
2011	2464.6843475502587
2012	2589.134397336839
2013	2717.6797765578244
2014	2843.843603916755
2015	2974.2969167371293
2016	3130.910640860229
2017	3289.4722680988534
2018	3439.1005233495107
2019	3589.613636486287
2020	3195.5388826226404
2021	3328.042355167836
2022	3528.330428345234
2023	3667.565537149024