Year	current US$
1960	8.724514721997519
1961	23.064279414451782
1962	66.22644269968612
1963	27.847462362294664
1964	12.53986407800385
1965	27.429185066041335
1966	28.750714098130143
1967	18.947239283410457
1968	11.752826417090827
1969	11.48063814617748
1970	8.807273990475846
1971	8.490615040175593
1972	8.377703916892722
1973	6.5015602871888944
1974	8.9406333103482
1975	11.970338106043554
1976	15.397309418703657
1977	18.44926561054787
1978	25.575812593506146
1979	42.85639495140027
1980	50.22852713802871
1981	54.3753059227347
1982	52.89602059315922
1983	55.59108854700304
1984	60.026839604394084
1985	40.4022986152622
1986	41.99734430446367
1987	32.91956896612787
1988	26.323567224783297
1989	23.979103951234325
1990	51.472327565558885
1991	81.28459088157038
1992	58.26682428953009
1993	57.35730738605082
1994	29.832515147237526
1995	57.458333826912245
1996	78.34512790530572
1997	31.758487157053796
1998	27.2769563567812
1999	33.676936172343545
2000	23.28662589455783
2001	12.905614459599624
2002	17.96707170016941
2003	34.61070052774902
2004	68.34063136688886
2005	67.99399089062699
2006	75.50796729351475
2007	81.19766380767767
2008	329.24081998055175
2009	119.91090797585112
2010	352.2700212021127
2011	182.30630328976477
2012	130.8273400464146
2013	121.0508479241881
2014	165.86059179905575
2015	237.2900894401722
2016	174.06780877567567
2017	131.67367405486664
2018	121.47729895339339
2019	116.58701646045495
2020	128.2357152519803
2021	116.74974950780835
2022	91.41602144273811