Year	current US$
1960	1100000.02384186
1961	1000000
1962	490000.009536743
1963	639999.985694885
1964	939999.997615814
1965	1549999.95231628
1966	930000.007152557
1967	2240000.00953674
1968	2460000.03814697
1969	1289999.96185303
1970	4019999.98092651
1971	7739999.771118159
1972	8720000.26702881
1973	7989999.771118159
1974	8529999.73297119
1975	7480000.01907349
1976	7400000.09536743
1977	10890000.3433228
1978	16370000.839233398
1979	25129999.1607666
1980	21500000
1981	16829999.9237061
1982	18100000.3814697
1983	15329999.923706101
1984	15029999.7329712
1985	22040000.915527303
1986	28540000.915527303
1987	24149999.6185303
1988	20610000.6103516
1989	19559999.4659424
1990	35560001.373291
1991	22739999.7711182
1992	19450000.762939498
1993	19739999.7711182
1994	13069999.6948242
1995	13189999.5803833
1996	19260000.2288818
1997	17200000.762939498
1998	24350000.3814697
1999	13319999.6948242
2000	23600000.3814697
2001	13409999.8474121
2002	57930000.3051758
2003	9390000.34332275
2004	10630000.1144409
2005	17200000.762939498
2006	13710000.038146999
2007	6079999.92370605
2008	7489999.771118159
2009	23159999.8474121
2010	53930000.3051758
2011	22719999.3133545
2012	34750000
2013	27420000.0762939
2014	12000000
2015	6780000.20980835
2016	5800000.19073486
2017	16200000.7629395