Year	current US$
1993	-1325661971.32662
1994	329055136.834788
1995	891547718.712268
1996	982055187.035918
1997	1922940128.00241
1998	2157318153.55185
1999	598608720.123002
2000	964178359.347967
2001	1960190109.6275
2002	2936230663.44531
2003	2582566605.63756
2004	4623702360.21504
2005	5060377194.97655
2006	6462250262.6862
2007	5997358481.09667
2008	7778301291.7859
2009	6850818586.31421
2010	7682270150.09901
2011	8394447250.83593
2012	6862895658.05304
2013	12708998115.1846
2014	14861985035.2457
2015	14550381591.6773
2016	15572824643.9435
2017	16169703556.4414
2018	21867188151.7296
2019	23123736740.9609
2020	17856120077.3522
2021	20595599898.6534