Year	TDS, current US$
1986	22299.4
1987	13098.3
1988	47048.1
1989	24356.7
1990	25795.2
1991	27370.9
1992	12028029.3
1993	33373213
1994	832134.9
1995	6584274
1996	7456276.7
1997	7966399
1998	9709957.5
1999	16749635.9
2000	12536579.4
2001	18472886
2002	20426757.2
2003	25371276
2004	27482748.1
2005	29702906.1
2006	29238015.3
2007	27374029.1
2008	41750948.2
2009	49470134.2
2010	65348617.7
2011	321443646.8
2012	547347874.6
2013	617669078.9
2014	660620733.6
2015	691059522.3
2016	755935090.9
2017	1015645659
2018	1278850572.7
2019	1502849247.7
2020	1540350406.4
2021	2170360659.8
2022	2500620049.5