Year	current US$
1995	5000000
1996	6000000
1997	15000000
1998	32000000
1999	80000000
2000	95000000
2001	61000000
2002	61000000
2003	72000000
2004	92000000
2005	93000000
2006	115000000
2007	155000000
2008	222000000
2009	193000000
2010	225000000
2011	260000000
2012	301000000
2013	365000000
2014	362000000
2015	284000000
2016	308000000
2017	323500000
2018	338000000
2019	389000000
2020	187000000