Year	TDS, current US$
1970	6289000
1971	7982000
1972	10486000
1973	13667000
1974	14108000
1975	14878500
1976	24075500
1977	30878000
1978	37665500
1979	46267000
1980	51357000
1981	54325500
1982	72637812.8
1983	67048813.4
1984	71969960.2
1985	94846987.2
1986	121881559.7
1987	117827172.7
1988	169250425.1
1989	57497429
1990	293036671.2
1991	203056184.1
1992	244124406.5
1993	226123634.3
1994	271799405.8
1995	270917959.5
1996	343433629.6
1997	232208579.7
1998	215811045.4
1999	234198719.3
2000	156534282.1
2001	89690519.3
2002	127587845.6
2003	153977599
2004	149283840.8
2005	174586240
2006	95667740.7
2007	73382559
2008	68811131.2
2009	66231826.9
2010	84031344.7
2011	91843511.3
2012	98040167.6
2013	109043481.4
2014	155760917
2015	184133588.7
2016	223686140
2017	244673343.8
2018	282744522.7
2019	316223473.6
2020	302582708.4
2021	329881155.3
2022	352613996.5