Year	current US$
1995	291000000
1996	298000000
1997	317000000
1998	248000000
1999	280000000
2000	189000000
2001	205000000
2002	260000000
2003	345000000
2004	423000000
2005	485000000
2006	480000000
2007	499000000
2008	658000000
2009	503000000
2010	635000000
2011	724000000
2012	730000000
2013	717000000
2014	809000000
2015	817000000
2016	878000000
2017	942000000
2018	969000000
2019	962000000
2020	151000000