Year	constant 2010 US$
1960	2261.45170236648
1961	2342.08218569021
1962	2387.97016662189
1963	2438.69602228805
1964	2376.76050151638
1965	2330.13962741325
1966	2546.85941445652
1967	2588.0688795111
1968	2642.45702640301
1969	2736.33670091904
1970	2676.46641811074
1971	2980.0568740416
1972	3158.88013899441
1973	2904.64881649152
1974	2336.79531330606
1975	2037.94112954112
1976	2011.8422548059
1977	2298.4752823268
1978	2434.4245018104
1979	2554.24252353702
1980	2691.71437199785
1981	3009.23734279048
1982	2529.98998142693
1983	2352.10720650901
1984	2333.53183836161
1985	2276.87051722282
1986	2357.14396435387
1987	2488.11728425727
1988	2620.56280227017
1989	2839.78912170179
1990	2854.84181649594
1991	3057.25807916305
1992	3421.91637319318
1993	3616.75609503167
1994	3851.32707997484
1995	4166.30691391823
1996	4494.71409058425
1997	4771.71739438019
1998	4939.63714233943
1999	4830.82921716279
2000	4971.79912233851
2001	5016.88815955609
2002	5069.31156857107
2003	5243.26262286049
2004	5618.71683470871
2005	5988.94014226948
2006	6368.04685475371
2007	6746.0981656646
2008	6951.40622997351
2009	6818.84851631994
2010	7470.25593778269
2011	8002.60240568455
2012	8405.4732930761
2013	8704.48801596225
2014	8842.67105886232
2015	8924.67689522047
2016	9039.91579429178
2017	9176.64224720516
2018	9414.77166584823