Year	Percent
1995-01-01	12.7717000000000000
1996-01-01	12.5759999999999990
1997-01-01	9.5744000000000000
1998-01-01	24.9541000000000000
1999-01-01	15.6673000000000000
2000-01-01	12.7436000000000000
2001-01-01	14.5554000000000000
2002-01-01	9.4138000000000000
2003-01-01	8.6573900000000000
2004-01-01	6.3293200000000000
2005-01-01	8.3376600000000010
2006-01-01	6.1823500000000000
2007-01-01	5.0627200000000000
2008-01-01	5.9281000000000000
2009-01-01	8.4706500000000000
2010-01-01	4.5685800000000000
2011-01-01	3.4513700000000000
2012-01-01	3.5536400000000000
2013-01-01	3.4664000000000000
2014-01-01	3.5277700000000000
2015-01-01	3.3887500000000000
2016-01-01	3.2829300000000003