Year	current US$
1970	0
1971	0
1972	0
1973	0
1974	0
1975	0
1976	0
1977	0
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	308677.780425616
2008	39582.3420300461
2009	9978.41148537336
2010	5052.57106176685
2011	564498.246024567
2012	442514.485947485
2013	385750.686744125
2014	2140.29208878169
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0