Year	current US$
1995	934000000
1996	977000000
1997	1132000000
1998	1174000000
1999	1032000000
2000	904000000
2001	939000000
2002	932000000
2003	1109000000
2004	1251000000
2005	1114000000
2006	1238000000
2007	1408000000
2008	1386000000
2009	1511000000
2010	1736000000
2011	2085000000
2012	2400000000
2013	2499000000
2014	2707000000
2015	2518000000
2016	2733000000
2017	3093000000
2018	3124000000
2019	3142000000
2020	720000000