Year	TDS, current US$
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	75000
2000	109000
2001	95000
2002	1105000
2003	1155000
2004	1000
2005	0
2006	0
2007	0
2008	0
2009	22000
2010	43000