Year	current USD
1960	5571997.771200891
1961	7167997.13280115
1962	16687993.3248027
1963	18675992.529603
1964	21475991.4096034
1965	29119988.3520047
1966	58519976.5920094
1967	79519968.1920127
1968	95479961.8080153
1969	143079942.76802298
1970	242479903.008039
1971	243035871.645628
1972	202768227.100414
1973	298307480.018398
1974	431682379.049556
1975	287788252.699704
1976	326295131.582059
1977	479647087.83283997
1978	729941800.568145
1979	853569148.558863
1980	1074139253.03411
1981	557334522.313648
1982	709332450.608506
1997	1251990817.28745
1998	1443621758.26714
1999	1153487088.4907901
2000	1085534664.8704598
2001	819747993.600677
2002	452513614.757453
2003	541401766.516621
2004	685073220.074025
2005	690930769.348354
2006	614356296.200431
2007	639137046.188937
2008	1100068652.1298501
2012	2987413407.73267
2013	3964690154.13652
2014	3755652496.35093