Year	constant 2010 US$
1960	6779.88678295592
1961	7476.29745734067
1962	7545.85721616941
1963	8279.94280731231
1964	8931.28391212882
1965	9724.57220201183
1966	10241.8149619167
1967	10715.5882974665
1968	11355.5742613309
1969	12434.2251126829
1970	13392.3081358857
1971	14379.9007450618
1972	15738.2824730944
1973	16934.8024450683
1974	15786.2695800376
1975	16634.4748313228
1976	17500.3129206643
1977	17782.1208458912
1978	18825.0906239721
1979	19202.0550826147
1980	19143.1241110279
1981	18677.4750732207
1982	18352.4398564881
1983	18049.1837420238
1984	18320.5841977454
1985	18707.5689832413
1986	18742.3160580413
1987	18257.8040269463
1988	18971.6435058095
1989	19590.0677863798
1990	19383.934648323
1991	19746.3821359444
1992	19733.2904130851
1993	19303.6669844654
1994	19591.3995220489
1995	19909.5296030908
1996	20389.3180153866
1997	21198.7906496062
1998	21902.738778458
1999	22489.3159600447
2000	23275.4443060502
2001	24111.4174535329
2002	24965.5940271221
2003	26349.2773362358
2004	27614.4059346282
2005	27698.5106148475
2006	29176.3928664896
2007	30054.8893883805
2008	29874.7434456727
2009	28514.8100942614
2010	26917.7589787254
2011	24495.7111345202
2012	22830.5267787719
2013	22251.2572924131
2014	22565.6804825426
2015	22615.3945872492
2016	22666.2862405708
2017	23052.9862375429
2018	23558.0839708871