Year	current US$
1995	3171000000
1996	3387000000
1997	3892000000
1998	4209000000
1999	4541000000
2000	5499000000
2001	5702000000
2002	6060000000
2003	6253000000
2004	6959000000
2005	7600000000
2006	8108000000
2007	8462000000
2008	8568000000
2009	7207000000
2010	7255000000
2011	7832000000
2012	8449000000
2013	9122000000
2014	9606000000
2015	10098000000
2016	10303000000
2017	10840000000
2018	11230000000
2019	9881000000
2020	3475000000