Year	TDS, current US$
1986	72766.3
1987	55012.7
1988	135767.5
1989	9333732.3
1990	5066721.9
1991	10019136.3
1992	1017018.3
1993	130512428.1
1994	6671979.3
1995	11470315.4
1996	9825681.1
1997	63207942.9
1998	84243671
1999	31966353.5
2000	26620630
2001	47233989.4
2002	71125410.9
2003	76163583.8
2004	76212504.1
2005	56783115.6
2006	36648601.1
2007	28795256
2008	40596626.4
2009	39962410.5
2010	39464644.8
2011	33170057
2012	12827222.9
2013	621909.4
2014	238582.2
2015	221061.7
2016	369755.6
2017	232972.1
2018	421977
2019	4321905.3
2020	1374957.3
2021	1074122.6
2022	22263177.9