Year	current US$
2000	130.4411453
2001	119.26634361
2002	61.28023328
2003	64.92960251
2004	69.30661625
2005	74.44961758
2006	80.12145828
2007	90.27609347
2008	100.81920093
2009	106.53646655
2010	114.17827644
2011	114.71619452