Year	current US$
1995	78000000
1996	76000000
1997	69000000
1998	61000000
1999	85000000
2000	102000000
2001	111000000
2002	124000000
2003	151000000
2004	165000000
2005	237000000
2006	204000000
2007	223000000
2008	294000000
2009	185000000
2010	190000000
2011	231000000
2012	259000000
2013	249000000
2014	282000000
2015	277000000
2016	271000000
2017	301000000
2018	401000000
2019	383000000
2020	85000000