Year	current US$
1995	4831000000
1996	4791000000
1997	4614000000
1998	5470000000
1999	5259000000
2000	5244000000
2001	5469000000
2002	5803000000
2003	6627000000
2004	7678000000
2005	7674000000
2006	8420000000
2007	10173000000
2008	10985000000
2009	9701000000
2010	10004000000
2011	11384000000
2012	10997000000
2013	12149000000
2014	13651000000
2015	12875000000
2016	14217000000
2017	17751000000
2018	20057000000
2019	20444000000
2020	8835000000