Year	TDS, current US$
1991	6083193.6
1992	120850502.5
1993	37029536.2
1994	108894035.3
1995	296158688
1996	254110288.8
1997	119840927.7
1998	227893844.5
1999	200598941.8
2000	236840541.2
2001	376143488.1
2002	299304381.4
2003	140579046.8
2004	183399697.6
2005	508047670.2
2006	406984896.7
2007	387802617.4
2008	7918289.3
2009	2202626.3
2010	3010453.8
2011	1030337.3
2012	280705.6
2013	1206858.1
2014	463487.7
2015	428132.1
2016	717270.2
2017	453463.5
2018	817049.4
2019	8385435.9
2020	2667723.6
2021	1111161.3
2022	23047394.2