Year	TDS, current US$
1972	0
1973	0
1974	137224250
1975	136270500
1976	92130880
1977	147455306.8
1978	518548256.9
1979	0
1980	0
1981	0
1982	0
1983	48990000
1984	1168544228.6
1985	240295378
1986	1164271286
1987	844061708.6
1988	760909527.8
1989	991902311
1990	974576880.4
1991	1227930612.2
1992	1076663119
1993	589781730.4
1994	617768865.2
1995	758870603.7
1996	700778084.8
1997	754858308.7
1998	920972419
1999	1037741625.1
2000	1492801396.2
2001	1606456419.1
2002	1428182504.6
2003	6254224210.1
2004	6068903156.4
2005	4095472681.3
2006	9895501186.2
2007	17206163.3
2008	4021081.2
2009	7283631.9
2010	9954950.9
2011	3407113.4
2012	928235.6
2013	3990831.5
2014	1534828.1
2015	1415914.1
2016	2372829.9
2017	1497677.5
2018	158925307.6
2019	1256386719.4
2020	1316387169.3
2021	5130623459.4
2022	18599055740.2