Year	Percent
2003-01-01	1.776999950
2004-01-01	1.891000032
2005-01-01	2.191999912
2006-01-01	2.436000109
2007-01-01	2.816999912
2008-01-01	2.911000013
2009-01-01	3.272000074
2010-01-01	3.209000111
2011-01-01	3.102999926
2012-01-01	3.230999947