Year	TDS, current US$
1984	544000
1985	646000
1986	744000
1987	987000
1988	1079000
1989	1206000
1990	1398000
1991	1726000
1992	1659000
1993	1957000
1994	2347000
1995	2446000
1996	2737000
1997	3160000
1998	3384000
1999	3753000
2000	4032000
2001	4908000
2002	5162000
2003	6352000
2004	7739000
2005	8054000
2006	9285000
2007	12186000
2008	11608000
2009	12023000
2010	12791000