Year	current US$
1995	101000000
1996	142000000
1997	122000000
1998	138000000
1999	133000000
2000	247000000
2001	486000000
2002	527000000
2003	436000000
2004	500000000
2005	516000000
2006	675000000
2007	724000000
2008	860000000
2009	752000000
2010	748000000
2011	729000000
2012	948000000
2013	1333000000
2014	1308000000
2015	997000000
2016	891000000
2017	1082000000
2018	1170000000
2019	1224500000
2020	477000000