Year	current US$
1995	71000000
1996	117000000
1997	99000000
1998	129000000
1999	240000000
2000	345000000
2001	429000000
2002	509000000
2003	441000000
2004	673000000
2005	929000000
2006	1109000000
2007	1169000000
2008	1280000000
2009	1463000000
2010	1671000000
2011	2258000000
2012	2663000000
2013	2895000000
2014	3220000000
2015	3419000000
2016	3523000000
2017	4024000000
2018	4832000000
2019	5312000000
2020	1119000000
