Year	TDS, current US$
1970	72650000
1971	31705620.3
1972	57813525
1973	46802681.3
1974	0
1999	6053950.3
2000	6541422.5
2001	3244149.4
2002	2967255.8
2003	2509523.7
2004	3759593.3
2005	4948720.6
2006	6996708.2
2007	6175724.8
2008	1443267.3
2009	2662162.8
2010	3638528.1
2011	1245297.7
2012	339269.5
2013	1458646.3
2014	560744.1
2015	517676.1
2016	867396.5
2017	547761.7
2018	988389
2019	10134646.9
2020	3224950.5
2021	53744592.6
2022	130523835.6