Year	current US$
1995	231000000
1996	241000000
1997	293000000
1998	286000000
1999	280000000
2000	284000000
2001	231000000
2002	259000000
2003	259000000
2004	274000000
2005	304000000
2006	334000000
2007	382000000
2008	392000000
2009	337000000
2010	423000000
2011	422000000
2012	567000000
2013	632000000
2014	618000000
2015	555000000
2016	609000000
2017	789000000
2018	761000000
2019	714000000
2020	190000000