Year	current US$
1960	19049999.998882413
1961	2090000.0035762787
1962	3199999.997392297
1963	8170000.0036507845
1964	1969999.9447911966
1965	2719999.939203265
1966	4479999.93152916
1967	5370000.012218949
1968	24440000.39994714
1969	19009999.996051192
1970	12450000.111013655
1971	8369999.993592501
1972	20239999.970421195
1973	13770000.12993813
1974	3029999.9546259595
1975	1439999.9380111676
1976	3090000.0482797655
1977	2119999.984279275
1978	2690000.044181945
1979	4559999.998658892
1980	5320000.134408472
1981	6590000.214055188
1982	3559999.918565155
1983	3949999.9657273237
1984	4209999.87423419
1985	5850000.04805625
1986	25719999.948516488
1987	13329999.772831786
1988	30720000.30428172
1989	27149999.6520579
1990	43139999.08417462
1991	40280000.98280606
1992	62609998.8482893
1993	110279999.99932948
1994	70770000.51736829
1995	64739998.843520954
1996	32990000.095218427
1997	32580000.49926342
1998	23459999.322891258
1999	22610000.20802021
2000	17829999.828711152
2001	12709999.734535808
2002	9569999.877363442
2003	12580000.158399345
2004	20299999.548122272
2005	12310000.086203206
2006	17600000.292062744
2007	29149999.8085201
2008	24179999.573156282
2009	44229999.57948925
2010	39999999.01652332
2011	11029999.993741512
2012	8670000.066980725
2013	27099999.992176883
2014	83079997.44452542
2015	11919999.796897175
2016	7529999.975115066
2017	32829999.065026682