Year	current US$
1960	0.0029462131294993575
1961	0.5189720297443708
1962	0.012747196973118527
1963	0.02357899480362498
1964	-0.0054320966991904815
1966	0.8908085725998685
1967	2.294047612955821
1968	0.0024889462228267984
1969	0.003650554255079771
1970	0.009510589591403747
1971	0.013916447654764354
1972	0.01467171696130989
1973	0.012056554381851027
1974	0.07337130822593535
1975	2.0950702187267845
1976	6.973603981409911
1977	7.700045886844819
1978	9.689857697539308
1979	12.931525091157283
1980	14.63694082838235
1981	12.048953545162957
1982	17.18307571659679
1983	17.019190348795657
1984	20.46639653289813
1985	23.31928128455225
1986	32.53575550253013
1987	51.308958189510314
1988	70.74292698721085
1989	61.50858476463683
1990	74.98125185078746
1991	78.5403901642697
1992	105.64468592520554
1993	82.84801615805968
1994	80.4633648664647
1995	68.18862498972031
1996	55.1464322713915
1997	57.391711783386285
1998	61.45115926229533
1999	47.21853935251279
2000	51.067324721378526
2001	52.76795767538032
2002	118.60799796840814
2003	54.700238483864965
2004	63.17985539463455
2005	63.81934144508611
2006	79.18312918125845
2007	71.48370722724118
2008	78.43054252743315
2009	80.24501212350411
2010	84.21397816394044
2011	86.92901403990821
2012	84.60196264845436
2013	91.5857986595802
2014	80.8799857998167
2015	67.76825705494745
2016	55.3777700133822
2017	63.217546532335376
2018	61.97551725145645
2019	60.80217521600417
2020	81.98859498657477
2021	71.16703413968082
2022	77.60774486925317