Year	current international $
2000	145.771041819631
2001	153.137253659775
2002	171.213113022184
2003	184.158956707705
2004	172.515134221072
2005	168.937463538453
2006	163.00373763881
2007	162.209561622759
2008	152.373038741822
2009	167.236523793868
2010	159.460386503041
2011	169.720924717781
2012	144.283007390653