Year	current US$
1992	40000000
1993	260100000.00000003
1994	518900000
1995	195800000
1996	148900000
1997	48800000
1998	284000000
2000	1047700000
2001	60500000
2002	10800000
2003	110400000
2004	26000000
2005	242000000
2006	672360000
2007	474000000
2008	1059700000
2010	2359000000
2012	835400000
2013	1008600000
2014	4247899999.9999995
2015	4495900000
2016	5998540000
2017	368500000
2018	1864740000
2019	2645000000
2020	1000000000
2021	586220000
2022	2070000000