Year	constant 2010 US$
1960	2872.48754580162
1961	2490.42648472816
1962	1781.85169570052
1963	2190.34929739941
1964	2216.97508666933
1965	2242.36527389748
1966	2056.66505845651
1967	2214.93291000596
1968	2401.37187035613
1969	2561.39301843691
1970	2657.57115961501
1971	2320.77216698676
1972	2889.94997621619
1973	2904.73322872597
1974	3041.49495442819
1975	3087.15699033212
1976	3227.97974794477
1977	3303.36721619986
1978	3488.31969342839
1979	3581.32543789837
1980	3508.86624634589
1981	3497.996132795
1982	3611.69076264977
1983	3709.27457133254
1984	3792.09617588897
1985	3817.84395180371
1986	3758.14320046807
1987	3628.52099702852
1988	3455.81259629004
1989	3514.60573178597
1990	3448.92606570807
1991	3265.25764299719
1992	3267.00372764666
1993	3166.43349558496
1994	3054.67215261878
1995	3074.24684694637
1996	3131.37321229348
1997	3141.72366421397
1998	3280.64732853894
1999	3313.38102676975
2000	3349.08035296455
2001	3497.46205299531
2002	3607.15289843275
2003	3821.59005899263
2004	3903.36719275664
2005	4003.4259156371
2006	4051.52495751646
2007	4287.80023628515
2008	4364.26421391333
2009	4351.10047147916
2010	4470.01910377832
2011	4456.83746761051
2012	4457.36436894624
2013	4470.02282156955
2014	4547.02660205284
2015	4602.45823123554
2016	4775.71485661524
2017	4714.94452618961