Year	current US$
1995	45000000
1996	56000000
1997	53000000
1998	60000000
1999	50000000
2000	56000000
2001	46000000
2002	54000000
2003	64000000
2004	75000000
2005	85000000
2006	92000000
2007	119000000
2008	169000000
2009	190000000
2010	217000000
2011	223000000
2012	241000000
2013	287000000
2014	257000000
2015	228000000
2016	243000000
2017	265000000
2018	295000000
2019	278000000
2020	62000000