Year	TDS, current US$
1989	22113292.5
1990	61767303.2
1991	58857122.3
1992	235279140.6
1993	370767342.3
1994	226387606.1
1995	239605178
1996	211439423.3
1997	443356939.1
1998	533834957.3
1999	443887178.5
2000	192312216.4
2001	220590866.1
2002	343701475.1
2003	465383065.2
2004	397500662.2
2005	635443770.1
2006	8832923.7
2007	6952290.9
2008	1624750.8
2009	4320280
2010	5904770.6
2011	2020926.4
2012	550582.1
2013	2367158.3
2014	910259.5
2015	839474.8
2016	1406739.2
2017	888899.4
2018	1602946.1
2019	16447557.8
2020	5232360.2
2021	2326315.9
2022	48238669.8