Year	current US$
1995	623000000
1996	673000000
1997	545000000
1998	488000000
1999	461000000
2000	433000000
2001	641000000
2002	736000000
2003	865000000
2004	905000000
2005	1210000000
2006	1521000000
2007	2026000000
2008	2681000000
2009	2343000000
2010	2227000000
2011	2432000000
2012	2295000000
2013	2653000000
2014	2600000000
2015	2430000000
2016	2751000000
2017	2937000000
2018	3193000000
2019	3200000000
2020	1254000000