Year	current US$
1995	249000000
1996	268000000
1997	308000000
1998	346000000
1999	291000000
2000	292000000
2001	308000000
2002	421000000
2003	373000000
2004	405000000
2005	722000000
2006	552000000
2007	1135000000
2008	1018000000
2009	1120000000
2010	1186000000
2011	1135000000
2012	1528000000
2013	1651000000
2014	1627000000
2015	1187000000
2016	1315000000
2017	1220000000
2018	1255000000
2019	1172000000
2020	370000000