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	213123.563590481
2004	7743324.85627251
2005	9667445.72380304
2006	29761734.0629284
2007	39667313.8465331
2008	36539571.8460438
2009	34383520.6720752
2010	68649272.6375831
2011	130379171.074668
2012	86213960.6411987
2013	65936732.8940569
2014	64322364.5115492
2015	40938096.3322271
2016	42098376.3656672
2017	55666704.325786
2018	51424316.1882142
2019	37890661.1214808
2020	34515143.5165927
2021	144119386.552676
