Year	TDS, current US$
1970	3736000
1971	4282000
1972	5666000
1973	5777000
1974	7359000
1975	7965000
1976	9371000
1977	10100000
1978	14929000
1979	17878000
1980	22570000
1981	26832035.2
1982	33274596.1
1983	38992221.4
1984	45792323.7
1985	54800183.9
1986	74970723.2
1987	101183988.7
1988	114633218.9
1989	114506665
1990	116649874.6
1991	119778978.4
1992	116970688.2
1993	119424468.3
1994	123327990.2
1995	123680373.5
1996	110820733.4
1997	104474442.5
1998	110005074.2
1999	120006614.3
2000	115433107.2
2001	129525228.2
2002	135045030.9
2003	145173651.6
2004	206029162.1
2005	177215818
2006	176601720.6
2007	183671819.4
2008	197298023.7
2009	189454260.6
2010	195731480.9
2011	192105945
2012	182209295.4
2013	171202352.4
2014	171542159.4
2015	169259708.5
2016	188160216.9
2017	206024827.8
2018	228493061.9
2019	287417063.9
2020	264036955.5
2021	273016631.8
2022	365927697.9