Year	current international $
2003	3.943661156180526
2004	4.381850912300746
2005	4.962712491014369
2006	5.752490415937679
2007	6.348493916742552
2008	6.140081499652119
2009	7.478130956024557
2010	7.715841684190744
2011	6.824118006102815