Year	Percent
1999-01-01	7.0000
2000-01-01	9.8000
2001-01-01	10.0000
2002-01-01	9.6000
2003-01-01	8.6000
2004-01-01	10.3000
2005-01-01	11.7000
2006-01-01	11.9000
2007-01-01	12.4000
2008-01-01	15.2000
2009-01-01	15.8000
2010-01-01	11.3382
2011-01-01	12.8348
2012-01-01	12.7327
2013-01-01	12.3685
2014-01-01	13.0175
2015-01-01	13.0391
2016-01-01	11.6944