Year	current US$
1993	5835004903.14222
1994	3980411978.19572
1995	14382776209.9987
1996	11276434819.2203
1997	12894700706.7376
1998	7801376654.9566
1999	8457230879.05286
2000	24264339146.1263
2001	32542400769.37
2002	44053601167.0147
2003	73174946720.6866
2004	120808798295.73
2005	175891409917.674
2006	295567570300.098
2007	466750419882.05
2008	411749599971.659
2009	416648892265.015
2010	443585871721.266
2011	453948184789.354
2012	486576820807.129
2013	469602700888.888
2014	339369921935.749
2015	319835210258.841
2016	317544471407.945
2017	356084020964.11
2018	381575041682.719
2019	443970001638.925
2020	457017572769.564
2021	497554424796.464
2022	445783706946.206
2023	442537063819.197