Year	current US$
1970	0
1971	0
1972	0
1973	0
1974	133100.797764584
1975	268628.699134289
1976	0
1977	94476.3983194796
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	0
1989	0
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0
1999	0
2000	0
2001	0
2002	0
2003	0
2004	0
2005	0
2006	0
2007	9310337.00425526
2008	340913269.664229
2009	9876030.91333067
2010	6641017.95616897
2011	19232203.3627723
2012	3959371.81214596
2013	609328.635795822
2014	673506.020077032
2015	132647.602835042
2016	0
2017	13300.8271718507
2018	366.200091979687
2019	0
2020	0
2021	0