Year	constant 2010 US$
1966	3790.08296260944
1967	3809.84367568465
1968	3978.90892540059
1969	4146.70715780193
1970	4582.61631541786
1971	4624.65923494668
1972	5370.56172190541
1973	4993.70525341894
1974	4707.51505182244
1975	4626.67894069822
1976	4259.51561526241
1977	4098.09714412668
1978	4047.12473642764
1979	3953.76110896606
1980	3676.02438137379
1981	3714.52981293931
1982	3728.36896670092
1983	3736.52719816708
1984	3623.65852536373
1985	3473.10393922173
1986	3504.49970879686
1987	3752.19661021478
1988	3878.43229091988
1989	4132.34023867203
1990	4276.66415497026
1991	4447.87004854476
1992	4494.83690983052
1993	4871.53973863781
1994	4890.77983603601
1995	4956.97587375457
1996	4903.10277575668
1997	4799.76381533078
1998	4642.86718204628
1999	4649.09337904085
2000	4651.03274853509
2001	4678.33841081802
2002	4739.62865951842
2003	4883.3099203848
2004	4919.66573436915
2005	4936.48617487665
2006	5053.03763911805
2007	5099.80697311156
2008	5033.59137891238
2009	4791.25693856766
2010	4696.84189437613
2011	4751.74431496278
2012	4695.60183427233
2013	4691.89319102417
2014	4697.18748242328
2015	4713.64710197445
2016	4753.70515629292
2017	4776.2040775053
2018	4841.6533256047