Year	TDS, current US$
1991	79375.8
1992	1255073.8
1993	1154816.6
1994	1132761.5
1995	10593352.1
1996	10494954
1997	1102248.1
1998	1497882.3
1999	6629151.2
2000	9424366.8
2001	8471518
2002	9117499.2
2003	9846833.4
2004	9034952
2005	8297243.5
2006	9033579
2007	9276433.2
2008	5788423.4
2009	7607483.3
2010	7105450
2011	6703088
2012	36872321.1
2013	94192067.9
2014	61613472.1
2015	2733889.5
2016	56992.4
2017	306469.2
2018	2711697.7
2019	5714642.1
2020	4962105.2
2021	9558836.2
2022	33824346.1