Year	TDS, current US$
1970	217340000
1971	82819247.49999999
1972	135831746
1973	199989307
1974	194400943.10000002
1975	188809403.5
1976	153985219.2
1977	244638807.90000004
1978	874281401.3999999
1979	342794134.5
1980	479220456.1
1981	340841894.59999996
1982	257532494.1
1983	478952342.2
1984	1919321756.1
1985	1353524229.8999996
1986	3224114339.1
1987	3758099655.3999996
1988	3591952825.0999994
1989	3862715652.4
1990	4349331435.1
1991	4044817314.7999997
1992	3556617019.4
1993	3868198515.5
1994	2463284985.6000004
1995	2929132736.1
1996	3808193723.1000004
1997	4996443326.8
1998	2789688513.2
1999	9230852836.400002
2000	14479993468.600002
2001	2018874858.5000002
2002	6879563990.600001
2003	19769047050
2004	11900368766.199999
2005	29365252383.199993
2006	10315649914.200005
2007	318939078.1999999
2008	211195767.00000003
2009	102017548.59999998
2010	220915173.20000002
2011	235555139.39999998
2012	170493605.3
2013	537717623.1999999
2014	923626783.1
2015	561567418.8000001
2016	185488048.09999996
2017	81056487.90000002
2018	288796457.29999995
2019	1602666540.8000004
2020	1777892879.5000002
2021	6045093352.000001
2022	19671025337.300003