Year	current US$
1993	14800000
1994	107700000
1995	150060000
1996	852940000
1997	569150000
1998	1008800000
1999	968390000
2000	935530000
2001	261100000.00000003
2004	248100000
2005	205560000
2006	236490000
2007	707840000
2008	1461690000
2009	2339290000
2010	4837590000
2011	2224437040
2012	1443100000
2013	1235919200
2014	15809430000
2015	13612290000
2016	15320840000
2017	26503040000
2018	16142130000
2019	13126870000
2020	14920160000
2021	41332840000
2022	22789350000