Year	current US$
1995	122000000
1996	126000000
1997	117000000
1998	118000000
1999	115000000
2000	102000000
2001	102000000
2002	132000000
2003	164000000
2004	190000000
2005	195000000
2006	210000000
2007	234000000
2008	256000000
2009	246000000
2010	217000000
2011	200000000
2012	196000000
2013	202000000
2014	223000000
2015	203000000
2016	119000000
2017	177500000
2018	209000000
2019	228000000
2020	110000000