Year	current US$
1995	338000000
1996	517000000
1997	484000000
1998	527000000
1999	387000000
2000	341000000
2001	340000000
2002	506000000
2003	662000000
2004	900000000
2005	1122000000
2006	1230000000
2007	1825000000
2008	2671000000
2009	2251000000
2010	2146000000
2011	2450000000
2012	2309000000
2013	2523000000
2014	2582000000
2015	2266000000
2016	2420000000
2017	2599000000
2018	2823000000
2019	2811000000
2020	1291000000