Year	current US$
1993	18367144970.9949
1994	16263924517.9225
1995	16411242524.583
1996	16324627550.1856
1997	17467848253.2174
1999	12693611469.8019
2000	10942327868.6312
2001	14807141710.8285
2002	16007821176.3858
2003	20470405671.513
2004	27079718920.0234
2005	32854033558.0177
2006	45714604087.2784
2007	67495748906.5568
2008	81054341731.6626
2009	77034949120.8304
2010	95179461451.8452
2011	119687723498.054
2012	134824113660.811
2013	163331678092.765
2014	154127802576.487
2015	141739172226.866
2016	102341110276.034
2017	119949621121.625
2018	120756209728.824
2019	124244571028.91
2020	126958226021.355
2021	125621275946.423