Year	current US$
1995	616000000
1996	705000000
1997	666000000
1998	672000000
1999	718000000
2000	732000000
2001	820000000
2002	829000000
2003	960000000
2004	1156000000
2005	1189000000
2006	1302000000
2007	1663000000
2008	1823000000
2009	1390000000
2010	1585000000
2011	1808000000
2012	1778000000
2013	1593000000
2014	1719000000
2015	1680000000
2016	1824000000
2017	2005000000
2018	2161000000
2019	2024000000
2020	518000000