Year	constant 2010 US$
1965	255.635139656598
1966	254.460450873219
1967	272.459244824356
1968	276.225527799655
1969	277.06533265203
1970	273.751649240141
1971	272.489145651493
1972	273.530589331775
1973	270.484850600102
1974	286.686239622816
1975	286.464066596081
1976	306.110183264693
1977	298.247805615632
1978	309.593934904051
1979	315.066842083451
1980	311.615918422865
1981	316.088921905751
1982	337.820621651902
1983	330.387211306519
1984	317.351660618077
1985	335.575790237156
1986	353.397859743942
1987	343.090914667619
1988	353.070390222645
1989	351.471660946907
1990	340.987900744568
1991	361.879433733739
1992	352.8455282232
1993	354.436473418679
1994	348.964672312803
1995	360.124230890869
1996	391.612904155667
1997	403.473068654649
1998	420.942250013187
1999	439.205960947355
2000	431.032270019233
2001	447.247594166817
2002	454.747175992355
2003	476.105072713666
2004	482.941434230359
2005	510.81930048088
2006	528.560536767777
2007	540.699608254302
2008	562.839514019957
2009	561.912019254542
2010	560.370319769321
2011	572.164749123467
2012	602.443670509498
2013	620.53996419183
2014	620.226870880562
2015	623.138994334888
2016	638.110954245851
2017	661.650785620522
2018	687.949831024063