Year	Percent
1995-01-01	9.0422000000000000
1996-01-01	16.2613000000000000
1997-01-01	7.9377400000000000
1998-01-01	11.1835000000000000
1999-01-01	10.4111000000000000
2000-01-01	12.4921000000000000
2001-01-01	12.1128000000000000
2002-01-01	16.9561000000000000
2003-01-01	11.5378000000000000
2004-01-01	10.7527000000000000
2005-01-01	10.4347000000000000
2006-01-01	11.4130000000000000
2007-01-01	12.9800000000000000
2008-01-01	5.3299900000000004
2009-01-01	7.9904000000000000
2010-01-01	12.8256000000000000
2011-01-01	4.7315500000000000
2012-01-01	5.2236900000000000
2013-01-01	3.1049599999999997
2014-01-01	2.1722300000000000
2015-01-01	1.8901900000000000
2016-01-01	1.2283500000000000