Year	TDS, current US$
1970	5660000
1971	35067125
1972	67953143
1973	181495762.5
1974	120313997
1975	106570660
1976	76941851.1
1977	164684073.4
1978	170128014.2
1979	177323962.20000002
1980	265535886
1981	255789002.10000002
1982	306295459
1983	878744792.2999998
1984	557157438.2
1985	1030445992.0999999
1986	885278243.6
1987	972989845.7000002
1988	857192869.3
1989	915382627.5999999
1990	1531010732.0000002
1991	1230948259.1999998
1992	423089447.90000004
1993	320877031.2
1994	373387393.5
1995	459214683.1
1996	354991927.00000006
1997	326956236.5
1998	531038638.90000004
1999	730060430.7
2000	1110615319.3
2001	3838720114.1
2002	4620006521.7
2003	2711597010.5
2004	1950341851.3
2005	1971402975.9999998
2006	8841744605.999998
2007	85511252.1
2008	60737058.3
2009	94338928.60000001
2010	108259890.19999999
2011	64092927.39999999
2012	58408566.79999999
2013	118717738.19999999
2014	72097412
2015	15492506.8
2016	19412167.399999995
2017	14620383.500000002
2018	27564442.3
2019	177833692.60000002
2020	63022358.199999996
2021	58589540.70000001
2022	873156591.1000003