Year	Percent
2000-01-01	14.33990
2001-01-01	13.06280
2002-01-01	17.72670
2003-01-01	8.88315
2004-01-01	21.67560
2005-01-01	16.22610
2006-01-01	11.83590
2007-01-01	24.26190
2008-01-01	22.34760
2009-01-01	20.86790
2010-01-01	26.36320
2011-01-01	24.56840
2012-01-01	28.86130
2013-01-01	33.47450