Year	current US$
1995	99000000
1996	110000000
1997	115000000
1998	142000000
1999	166000000
2000	198000000
2001	205000000
2002	221000000
2003	274000000
2004	300000000
2005	321000000
2006	425000000
2007	309000000
2008	385000000
2009	361000000
2010	406000000
2011	446000000
2012	549000000
2013	506000000
2014	437000000
2015	454000000
2016	482000000
2017	517000000
2018	558000000
2019	655000000
2020	230000000