Year	current US$
1995	551000000
1996	1287000000
1997	1969000000
1998	2022000000
1999	1737000000
2000	1841000000
2001	1918000000
2002	1874000000
2003	1649000000
2004	1526000000
2005	3286000000
2006	3075000000
2007	3351000000
2008	4285000000
2009	4056000000
2010	5964000000
2011	6055000000
2012	7140000000
2013	8400000000
2014	11130000000
2015	11868000000
2016	11681000000
2017	12442000000
2018	12474000000
2019	12926000000
2020	4872000000