Year	current US$
1995	10000000
1996	27000000
1997	27000000
1998	42000000
1999	57000000
2000	76000000
2001	37000000
2002	46000000
2003	58000000
2004	95000000
2005	641000000
2006	744000000
2007	889000000
2008	1090000000
2009	1037000000
2010	1008000000
2011	1310000000
2012	1092000000
2013	1309000000
2014	1619000000
2015	1609000000
2016	1807000000
2017	2215000000
2018	2731000000
2019	2942000000
2020	995000000