Year	current US$
1960	16799664.0067199
1961	22259554.8089038
1962	15259694.8061039
1963	18759624.8075038
1964	14979700.4059919
1965	32059358.8128237
1966	45359092.8181436
1967	36454018.2270091
1968	39481579.2631705
1969	48841953.6781471
1970	74762990.5196208
1971	70044530.0276808
1972	99051896.2075848
1973	99475161.7234224
1974	149904897.765097
1975	206760824.264876
1976	176013143.483023
1977	199025362.720124
1978	364821619.058907
1979	319990206.879667
1980	306243073.513114
1981	218139171.227522
1982	252581714.827096
1983	278855975.485189
1984	155582283.854535
1985	210284451.166308
1986	147600881.199291
1987	204328337.936343
1988	295553039.472143
1989	390505526.363472
1990	433338524.680274
1991	445903042.842364
1992	358726750.478728
1993	314141001.181067
1994	343883063.962273
1995	243047828.732571
1996	281185040.9903
1997	308903613.432092
1998	235716561.483231
1999	260172661.103563
2000	236501405.687914
2001	255699355.793084
2002	430102773.354824
2003	414656848.910896
2004	478125889.536752
2005	624968755.066746
2006	800165424.755631
2007	1022639924.46268
2008	1236024336.28161
2009	1514528460.99192
2010	1588415142.33484
2011	994479004.954781
2012	726396952.702865
2013	701033513.873076
2014	724864314.262462
2015	778910112.332563
2016	585696930.522768
2017	846672085.694039