Year	Percent
1999-01-01	17.0300
2000-01-01	17.2600
2001-01-01	17.8400
2002-01-01	18.7200
2003-01-01	20.0800
2004-01-01	20.4700
2005-01-01	22.0200
2006-01-01	23.7600
2007-01-01	25.2723
2008-01-01	23.7000
2009-01-01	27.1900
2010-01-01	29.5900
2011-01-01	29.6600
2012-01-01	30.5400
2013-01-01	32.8400
2014-01-01	33.7400
2015-01-01	25.6300
2016-01-01	24.3800