Year	current US$
1995	186000000
1996	176000000
1997	173000000
1998	207000000
1999	222000000
2000	227000000
2001	232000000
2002	256000000
2003	319000000
2004	370000000
2005	413000000
2006	478000000
2007	601000000
2008	624000000
2009	550000000
2010	562000000
2011	752000000
2012	866000000
2013	1084000000
2014	1396000000
2015	1630000000
2016	2429000000
2017	3020000000
2018	3134000000
2019	2689000000
2020	652000000