Year	Percent
2003-01-01	48.1440
2004-01-01	39.3585
2005-01-01	63.9385
2006-01-01	49.6491
2007-01-01	56.8082
2008-01-01	62.3792
2009-01-01	62.8165
2010-01-01	66.0299
2011-01-01	60.9124
2012-01-01	64.6790
2013-01-01	88.1866