Year	constant 2010 US$
1960	4506.05042595284
1961	4717.32419498402
1962	4993.18686265285
1963	5265.18037638929
1964	5594.34888978728
1965	6036.75713880442
1966	6330.49058744175
1967	6851.41433819708
1968	7491.48044300307
1969	7719.31831736664
1970	8770.31069347351
1971	9391.60692944623
1972	10160.0733128606
1973	11294.5754918408
1974	11265.4168307405
1975	10373.8032764877
1976	10778.6630671036
1977	11262.3327036524
1978	11455.2102474309
1979	11972.1315320263
1980	12386.8906194767
1981	12478.6528861014
1982	12667.4416334198
1983	12586.9777663717
1984	12302.9427244873
1985	12613.7895833806
1986	13124.1786525211
1987	13965.4467247037
1988	15026.9468118734
1989	16018.1348967098
1990	16687.2650889218
1991	17456.3867271691
1992	17660.2953779227
1993	17278.2994600342
1994	17398.1275122217
1995	18080.5470698711
1996	18642.5392918351
1997	19380.9755616432
1998	20207.2836776869
1999	20874.5784590797
2000	21513.4597301856
2001	21777.4080097299
2002	21824.9756172317
2003	21540.0698382119
2004	21877.9070683116
2005	22004.7995539929
2006	22306.2840517928
2007	22817.3215491834
2008	22829.8478709047
2009	22128.8455201899
2010	22538.6540773482
2011	22159.4754249441
2012	21353.2302573942
2013	21228.0893566433
2014	21533.4901149674
2015	22016.8366620286
2016	22511.7262529722
2017	23197.4416284561
2018	23737.6587148908