Year	Percent
2000-01-01	6.3023099999999990
2001-01-01	4.8502800000000010
2002-01-01	4.5281800000000000
2003-01-01	6.4297600000000000
2004-01-01	5.7337800000000000
2005-01-01	4.8948700000000000
2006-01-01	4.6047199999999995
2007-01-01	3.5896600000000000
2008-01-01	4.1154900000000000
2009-01-01	4.2688600000000000
2010-01-01	4.6295199999999990
2011-01-01	4.4321699999999990
2012-01-01	4.0706900000000000
2013-01-01	4.1987700000000000
2014-01-01	4.2114400000000005