Year	constant 2010 US$
1960	19378.143669163
1961	19468.6492030629
1962	19245.4102716598
1963	20053.2203442173
1964	21035.7604863561
1965	21861.7351990407
1966	21877.3491545256
1967	22964.5063051246
1968	23712.6802316695
1969	24857.3699907578
1970	26120.4008915736
1971	26263.2520828113
1972	26793.7736665418
1973	27076.901411923
1974	27483.4553721051
1975	27513.6105568432
1976	27943.9894210397
1977	28624.9188971529
1978	28547.7618474547
1979	29382.8024855367
1980	29907.5348490016
1981	30419.2473749862
1982	30912.0015044057
1983	29849.9142173263
1984	30865.9879263803
1985	32045.0635829632
1986	32796.674130603
1987	33127.0984263148
1988	34459.4367792103
1989	35192.1969630978
1990	35912.733831493
1991	35317.4732486383
1992	35035.7267249509
1993	36092.6238871964
1994	37134.2440488847
1995	38095.1011243144
1996	39056.1759955883
1997	40153.5996467269
1998	41555.9103109339
1999	43168.2892225283
2000	44334.3918715078
2001	44585.1684885506
2002	45806.6874475783
2003	46595.9025319996
2004	47926.7278660315
2005	48813.8848751425
2006	49443.1965891288
2007	51024.2068294128
2008	51841.2537218758
2009	51767.3502361483
2010	52022.1255961876
2011	52567.7456787452
2012	53673.0979172316
2013	54137.1892887773
2014	54705.7270373791
2015	55183.7378252522
2016	55875.0964226885
2017	56228.8065156555
2018	56919.3742827917