Year	TDS, current US$
1970	8562694725.9
1971	8302945031.199999
1972	9992086145
1973	13251664747.299995
1974	15954642898.900002
1975	18419716539.8
1976	21536114076.500004
1977	27518812674.1
1978	39893960353.70001
1979	51558522401.299995
1980	65309334546.200005
1981	79966995153.3
1982	86958250900.8
1983	82606152914.59998
1984	88755926306.80002
1985	89865168099
1986	92230717293.99998
1987	93719916808.09999
1988	110697422363.90002
1989	110630833040.9
1990	110993118421.60002
1991	114965123860.40004
1992	127083931548.60002
1993	136857133453.29997
1994	150320055144.99997
1995	185582844215.99997
1996	217106609217.2
1997	241735907856.20004
1998	244755483776.9001
1999	295529502483.8
2000	312208146420.7999
2001	295659178756.9001
2002	293775329826.3
2003	332663466634.8
2004	325468846356.50006
2005	393133099891.3002
2006	445062229048.80005
2007	441998054186.8
2008	497313656725.3002
2009	494156452270.4
2010	500747040590.5
2011	529435118003.30005
2012	584067905412.8998
2013	646663601975.7002
2014	762656222714.8002
2015	831979827233.8999
2016	943566050481.1001
2017	967881333762.2
2018	1077453261913.5999
2019	1209761338503.1003
2020	1169867198891.4
2021	1239514857006.2
2022	1338879930632.7993