Year	TDS, current US$
1986	22299.4
1987	13098.3
1988	47048.1
1989	24356.7
1990	25795.2
1991	27370.9
1992	11290029.3
1993	33361213
1994	524134.9
1995	728274
1996	708471.1
1997	683916.7
1998	2074512.8
1999	4715211.6
2000	8381086.7
2001	13009476.5
2002	13132762.8
2003	14076190
2004	11368899.3
2005	9779895.3
2006	949854.3
2007	833204.8
2008	194720
2009	302588.8
2010	413565.3
2011	141544
2012	38562.4
2013	165793.7
2014	63824.5
2015	58763.2
2016	98694.2
2017	62403.2
2018	111866.4
2019	1152323.9
2020	366376.7
2021	190891.8
2022	3945170