Year	current US$
1995	121000000
1996	140000000
1997	165000000
1998	181000000
1999	190000000
2000	188000000
2001	174000000
2002	179000000
2003	208000000
2004	239000000
2005	271000000
2006	271000000
2007	307000000
2008	366000000
2009	338000000
2010	398000000
2011	505000000
2012	415000000
2013	862000000
2014	942000000
2015	1055000000
2016	1144000000
2017	921000000
2018	1184000000
2019	1412000000
2020	465000000