Year	Percent
2004-01-01	7.041
2005-01-01	4.274
2006-01-01	3.046
2007-01-01	3.069
2008-01-01	1.938
2009-01-01	2.486
2010-01-01	2.040
2011-01-01	1.828
2012-01-01	1.451
2013-01-01	1.301