Year	current US$
1995	167000000
1996	163000000
1997	146000000
1998	190000000
1999	216000000
2000	216000000
2001	266000000
2002	329000000
2003	373000000
2004	488000000
2005	532000000
2006	655000000
2007	737000000
2008	821000000
2009	751000000
2010	843000000
2011	883000000
2012	926000000
2013	995000000
2014	1029000000
2015	1020000000
2016	1032000000
2017	1066000000
2018	1105000000
2019	1128000000
2020	346000000