Year	constant 2010 US$
1960	955.482893870167
1961	995.193937270046
1962	1003.63060301646
1963	1062.29226923145
1964	1135.22140896011
1965	1191.22410665249
1966	1310.96425145094
1967	1411.8036548658
1968	1555.34253489109
1969	1738.71659175148
1970	1853.88424365659
1971	1982.38583700791
1972	2071.0807406055
1973	2333.09113329055
1974	2517.71003523055
1975	2634.26837230658
1976	2944.54959604854
1977	3260.7390292818
1978	3581.04284293926
1979	3810.49534686449
1980	3658.51791953489
1981	3839.19198274375
1982	4115.33546401422
1983	4583.1484142572
1984	4978.18959521224
1985	5266.49920234177
1986	5798.50149962258
1987	6530.63373121421
1988	7274.40603337577
1989	7753.21442783488
1990	8450.06364491607
1991	9231.10165708646
1992	9695.93310116552
1993	10252.3084053899
1994	11068.6459571387
1995	11992.4464819841
1996	12785.8255521222
1997	13387.8619880507
1998	12456.7698094338
1999	13804.9296543059
2000	14988.8872571665
2001	15553.9609070339
2002	16663.2265230861
2003	17066.7575813186
2004	17866.908741923
2005	18419.1450068211
2006	19353.8791310377
2007	20322.8039286368
2008	20802.0586207053
2009	20793.8842103622
2010	22109.1531952393
2011	22855.365242554
2012	23355.0035357142
2013	23851.4631543812
2014	24398.9289193045
2015	24939.1905497152
2016	25554.1387787673
2017	26153.0054275508
2018	26744.0369588805