Year	TDS, current US$
1970	12106000
1971	19419000
1972	14810000
1973	22088000
1974	26143000
1975	31207000
1976	44899000
1977	59792000
1978	89030000
1979	119204000
1980	144690000
1981	172451000
1982	238942000
1983	272744000
1984	352537000
1985	393810000
1986	531419000
1987	646967000
1988	734789098.1
1989	713121000
1990	831514000
1991	887565587
1992	933297163.6
1993	996169854.4
1994	1084134887.6
1995	1254594689.5
1996	1144767687.3
1997	1071954608.1
1998	1009712205.9
1999	1039396366.3
2000	976354716.2
2001	887783270.8
2002	902214740.9
2003	889431047.5
2004	867744334.6
2005	902636688.7
2006	1069472165
2007	958543626.1
2008	1282857522.3
2009	899449993.9
2010	867223223.3
2011	811575073.8
2012	785283193.7
2013	1475704193.2
2014	720478711.7
2015	766700934.5
2016	779065281.9
2017	874216118.3
2018	959496633.5
2019	1059231610.8
2020	1013446266.9
2021	935996910.3
2022	1244052003.8