Year	current US$
1995	1469000000
1996	1857000000
1997	1649000000
1998	1934000000
1999	2177000000
2000	2280000000
2001	2966000000
2002	3157000000
2003	3802000000
2004	4540000000
2005	5426000000
2006	6900000000
2007	8307000000
2008	8885000000
2009	7980000000
2010	8176000000
2011	9101000000
2012	8491000000
2013	8201000000
2014	9070000000
2015	7765000000
2016	7922000000
2017	9086000000
2018	9520000000
2019	9949000000
2020	4514000000