Year	Percent
2000-01-01	5.9875500000000000
2001-01-01	5.9301400000000000
2002-01-01	6.1765200000000000
2003-01-01	7.0266100000000010
2004-01-01	3.2058100000000000
2005-01-01	3.7071800000000000
2006-01-01	1.0358600000000000
2007-01-01	3.3295700000000000
2008-01-01	2.5362000000000000
2009-01-01	2.4780400000000000
2010-01-01	2.2279600000000000
2011-01-01	3.2797699999999996
2012-01-01	2.6151000000000000
2013-01-01	2.2588400000000000
2014-01-01	2.4968300000000000
2015-01-01	2.8544300000000000
2016-01-01	2.6663700000000000