Year	current US$
1960	62578748.4250315
1961	63138737.2252555
1962	64118717.6256475
1963	71538569.2286154
1964	55018899.6220076
1965	76298474.0305194
1966	97158056.8388632
1967	94172880.4197735
1968	96003840.1536061
1969	105244209.768391
1970	113764550.582023
1971	129618485.979059
1972	154066866.267465
1973	166971805.199561
1974	213742272.943414
1975	281430886.779347
1976	260569550.930997
1977	279211429.837191
1978	390186085.101339
1979	432121434.692129
1980	480236424.085704
1981	389813470.345136
1982	340407389.862624
1983	346441947.565543
1984	319230224.989387
1985	338258391.018556
1986	296491322.336253
1987	329017068.864038
1988	449068871.276305
1989	548903786.91792
1990	628568287.588406
1991	645800021.403346
1992	763999972.247662
1993	667200031.797947
1994	729705611.006822
1995	672015402.029613
1996	727117725.446647
1997	894458228.433125
1998	667060400.287069
1999	768862087.50207
2000	616067736.69131
2001	671619118.720506
2002	910299895.805214
2003	984214280.216538
2004	1133832239.10748
2005	1437753337.29665
2006	1468318218.41214
2007	1468752616.69095
2008	2091637229.42984
2009	1959765493.18573
2010	2426167893.9069
2011	2241976034.32248
2012	2512564932.19754
2013	2351558270.10052
2014	2396448729.31199
2015	2278726548.01045
2016	2441651520.53259
2017	2279713394.65747