Year	TDS, current US$
1992	1358414235.8
1993	2196350759.1
1994	3469678704.9
1995	6158457958.3
1996	7315000750.2
1997	7032658583
1998	10811803269.9
1999	12069991740
2000	11625175989.7
2001	16612454296.7
2002	13273101908.4
2003	21768324625.9
2004	19923786527.1
2005	40642301940.4
2006	47898588695.3
2007	37872479815.4
2008	81051308298.6
2009	91134743701.4
2010	55716069340.5
2011	44638680671.3
2012	50077570102.6
2013	50903860387.1
2014	89832150995.5
2015	104025652827.1
2016	93445875168.6
2017	81118078885.4
2018	109997541261.3
2019	96208157745.6
2020	110111258770.3
2021	100388998951.4
2022	101829493401.4