Year	current US$
1994	20000000
1996	85000000
1997	305000000
2003	85000000
2004	155600000
2005	2848200000
2006	217000000
2007	2578000000
2008	1491500000
2010	332700000
2011	1416350000
2012	1562000000
2013	3215000000
2014	4743400000
2015	43103200000
2016	779000000
2017	991880000
2018	6923900000
2019	237800000
2021	8222000000
2022	30000000