Year	TDS, current US$
1970	41948000
1971	49092000
1972	54157000
1973	61110000
1974	58627000
1975	48011000
1976	77074000
1977	65019000
1978	80619000
1979	108623000
1980	101516000
1981	113518337.8
1982	105558666.7
1983	127543438.2
1984	137010594.5
1985	161209674.6
1986	276551056.9
1987	271789026.6
1988	308104671.4
1989	365441812
1990	552694098
1991	550576990.8
1992	627435218.2
1993	793820361
1994	1055702378.5
1995	1003941024.1
1996	896922708.2
1997	1012537782.5
1998	820643242.4
1999	1043855193.2
2000	1212406679.2
2001	1170560889.5
2002	1172228547.1
2003	1137011831.2
2004	2051474392.8
2005	1000346231.8
2006	1082122407.9
2007	1037402100.4
2008	1360286440.7
2009	1203106477
2010	1154357136.1
2011	1281227465.3
2012	1381295794.1
2013	1644290810.3
2014	1452917348.6
2015	1415963949.4
2016	1552605238.6
2017	1619972243.6
2018	1739964113
2019	2279120947.1
2020	3015401252.6
2021	2510998656
2022	2160100402.9