Year	current US$
1995	2000000
1996	2000000
1997	2000000
1998	7000000
1999	27000000
2000	75000000
2001	78000000
2002	181000000
2003	205000000
2004	218000000
2005	250000000
2006	190000000
2007	74000000
2008	74000000
2009	50000000
2010	60000000