Year	current US$
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	176819.005279716
2006	203966.047266349
2007	225894.850703451
2008	3315521.81788105
2009	1715819.23301292
2010	1082433.79067742
2011	2105193.62728888
2012	2069045.46491935
2013	595542.435059717
2014	418707.676049923
2015	0
2016	45291.1038584248
2017	0
2018	0
2019	0
2020	0
2021	0