Year	Percent
2003-01-01	15.88399982
2004-01-01	14.74899960
2005-01-01	15.86100006
2006-01-01	15.75399971
2007-01-01	14.26500034
2008-01-01	12.31299973
2009-01-01	10.33500004
2010-01-01	10.21599960
2011-01-01	10.19699955
2012-01-01	11.30500031
2013-01-01	11.51299953