Year	constant 2010 US$
1960	5831.72153864979
1961	6133.84503935013
1962	6507.17529298282
1963	6917.08867100568
1964	7261.86969121404
1965	7808.22810840182
1966	8294.66799096579
1967	8741.99662371337
1968	9138.25835960689
1969	9912.74964749178
1970	10611.3932204227
1971	11106.2868973199
1972	11670.3489472134
1973	12145.556609719
1974	12242.5462387805
1975	11940.2007649776
1976	12477.8652733193
1977	13028.4738349358
1978	13750.273793724
1979	14656.3900704843
1980	15097.6576551191
1981	15098.8272126343
1982	14705.5105271714
1983	14215.0121767977
1984	14908.9535219135
1985	15221.411843131
1986	15826.4715678203
1987	16582.4283512983
1988	17396.8765002727
1989	17986.6221258345
1990	17320.8098752904
1991	17595.0377549102
1992	18279.7163664147
1993	18968.3016298921
1994	19579.5891739201
1995	20282.0390283961
1996	20519.8059170018
1997	21322.117770327
1998	22372.4211709243
1999	23460.4630070999
2000	24161.1687402255
2001	25631.6293460401
2002	25833.2026999
2003	25830.8301932217
2004	28084.938567503
2005	27566.6421566334
2006	27293.4484654186
2007	27134.5194142098
2008	26790.8380811361
2009	26411.4233177181
2010	26435.74878578
2011	26647.3862687612
2012	26979.6710188734
2013	27206.8827512933
2014	27325.6608021892
2015	27519.2954302495
2016	27703.5236043486
2017	27628.2869060216
2018	27340.6541656856