Year	TDS, current US$
1970	42027000
1971	49093000
1972	60634000
1973	74903000
1974	85924000
1975	97057000
1976	115148000
1977	127552000
1978	149284000
1979	162413000
1980	297441000
1981	207565000
1982	244849000
1983	228541000
1984	357207000
1985	293553000
1986	441648000
1987	503279000
1988	713046000
1989	800178000
1990	806094000
1991	1005731000
1992	1084499000
1993	1074052000
1994	1285711000
1995	1162953000
1996	1233174062.7
1997	1295813244.5
1998	1429598343
1999	1825355351.3
2000	2117113783.6
2001	2211879893.5
2002	3302270458.7
2003	6329963000
2004	1999728000
2005	2223663000
2006	3207456000
2007	3455895538.1
2008	2989389816.9
2009	2234834520.2
2010	2205910908.4
2011	2131511931.2
2012	2237838829
2013	2283571406.2
2014	2381802560.5
2015	2389996516.6
2016	2514855203
2017	2528341714.6
2018	2606669854.1
2019	2677181313.6
2020	2643229314.3
2021	2393967765.1
2022	2531526294.4