Year	current US$
1960	132.67028415414686
1961	134.2930942198576
1962	138.36247785567448
1963	138.45933114172485
1964	142.53619233750652
1965	144.20383194848225
1966	151.6500461454778
1967	156.80504709483156
1968	164.5267571399944
1969	163.7733322537244
1970	167.45501011747626
1971	175.3548967672814
1972	190.2671346435305
1973	227.4263863822905
1974	255.94298269364242
1975	295.6988614030375
1976	274.2665176680598
1977	287.84497035791463
1978	316.2872567678174
1979	398.46418518876095
1980	581.3281373089602
1981	516.9081955932257
1982	505.2246202306236
1983	481.1514055342113
1984	390.0081728130059
1985	369.261185396484
1986	410.6360064112036
1987	295.01826597065104
1988	284.6004297081175
1989	275.26320123569707
1990	330.8435256898824
1991	265.7937076078178
1992	294.2934349979435
1993	312.0789332867493
1994	262.1461277572889
1995	276.7368025143118
1996	344.46494737874707
1997	288.4493808336099
1998	288.6359374932174
1999	271.94298224742636
2000	285.4664632338176
2001	325.460301083713
2002	310.92971094405044
2003	359.5343846765176
2004	277.50782658828007
2005	311.7931266490349
2006	330.5226700085121
2007	427.8363291695505
2008	522.8306219525336
2009	455.4073737727663
2010	459.3754079965793
2011	516.9025392550931
2012	504.1737377101321
2013	526.6880196354031
2014	517.1361831225842
2015	455.6380345840702
2016	464.61615837170973
2017	503.49805868023725
2018	512.5439915068579
2019	512.2796656024095
2020	462.4042288183828
2021	503.35208119085786
2022	516.7721969776135
2023	528.6501547570074