Year	current US$
1995	313000000
1996	282000000
1997	289000000
1998	230000000
1999	221000000
2000	212000000
2001	184000000
2002	206000000
2003	204000000
2004	291000000
2005	318000000
2006	366000000
2007	443000000
2008	596000000
2009	561000000
2010	805000000
2011	926000000
2012	1062000000
2013	1028000000
2014	1143000000
2015	903000000
2016	899000000
2017	910000000
2018	972000000
2019	979000000
2020	336000000
