Year	current US$
1995	1530000000
1996	1588000000
1997	1543000000
1998	1657000000
1999	1827000000
2000	1682000000
2001	1751000000
2002	1523000000
2003	1583000000
2004	1970000000
2005	2143000000
2006	2275000000
2007	2575000000
2008	2953000000
2009	2773000000
2010	2645000000
2011	1914000000
2012	2227000000
2013	2191000000
2014	2359000000
2015	1381000000
2016	1236000000
2017	1305000000
2018	1741000000
2019	2116000000
2020	852000000