Year	TDS, current US$
1970	6500000
1971	8274956.3
1972	6677055
1973	27127668.8
1974	3163035.3
1975	0
1976	0
1977	0
1978	10369809.9
1979	0
1980	0
1981	0
1982	0
1983	740000
1984	14840000
1985	20610000
1986	35560000
1987	151418389.7
1988	169440506.6
1989	119395114.4
1990	144755916.3
1991	125443800.8
1992	88804567.7
1993	35619179.8
1994	24793298.7
1995	38738107.4
1996	30221808.9
1997	9025774.4
1998	72409857.8
1999	71240898.7
2000	5485898.3
2001	8418090.8
2002	8862522.5
2003	41400263
2004	121960771.9
2005	203323768.6
2006	63025181.5
2007	25428864.8
2008	415900.3
2009	1039729.3
2010	1421056.7
2011	486361.1
2012	132504.4
2013	569686.1
2014	218827
2015	201473.9
2016	339174.3
2017	5455429.1
2018	7347780.2
2019	66554302.2
2020	217101158.2
2021	287095587.6
2022	241169260.4