Year	current US$
1995	161000000
1996	147000000
1997	135000000
1998	115000000
1999	129000000
2000	148000000
2001	167000000
2002	189000000
2003	222000000
2004	284000000
2005	365000000
2006	477000000
2007	614000000
2008	807000000
2009	790000000
2010	912000000
2011	1240000000
2012	1373000000
2013	1650000000
2014	1755000000
2015	1874000000
2016	1791000000
2017	2069000000
2018	2580000000
2019	2743000000
2020	1249000000