Year	TDS, current US$
1970	5300000
1971	3309982.5
1972	7599900
1973	17290162.5
1974	0
1975	13056412.5
1976	0
1977	1520000
1978	2250000
1979	17019564.4
1980	69390000
1981	27440000
1982	13630000
1983	18720000
1984	27580000
1985	50960000
1986	68240000
1987	84230916.3
1988	67750662.3
1989	103455596.8
1990	66698260.8
1991	51694144.7
1992	20596732.2
1993	17662968.6
1994	17866412.2
1995	44116714.3
1996	66141874.1
1997	65596835.2
1998	29458352.9
1999	3822879.1
2000	4476424.6
2001	3237914.1
2002	27726214.1
2003	28882260.8
2004	5676385
2005	10580540
2006	128833989
2007	142017913.6
2008	188885053.2
2009	55214933.5
2010	157907186.4
2011	194871859.3
2012	129910044.7
2013	211258328.7
2014	466697166.7
2015	372035633.5
2016	114936989
2017	155314.7
2018	278957.9
2019	2866992.8
2020	4516323.7
2021	7728269.3
2022	21679699.5