Year	Percent
2003-01-01	6.277102947
2004-01-01	11.072824480
2005-01-01	16.195882800
2006-01-01	19.996959690
2007-01-01	23.304811480
2008-01-01	28.887561800
2009-01-01	32.974140170
2010-01-01	34.079086300
2011-01-01	35.056362150