Year	Percent
1996-01-01	4.8449900000000000
1997-01-01	7.6395500000000000
1998-01-01	6.4353900000000000
1999-01-01	7.9621900000000000
2000-01-01	6.9817000000000000
2001-01-01	4.3044600000000000
2002-01-01	2.4569500000000000
2003-01-01	3.3439600000000000
2004-01-01	1.9790400000000001
2005-01-01	0.9583969999999999
2006-01-01	2.4393800000000000
2007-01-01	1.2415900000000000
2008-01-01	2.4248700000000000
2009-01-01	1.1897300000000000
2010-01-01	2.0002900000000000
2011-01-01	2.2995500000000000
2012-01-01	2.1316000000000000
2013-01-01	1.8662599999999998
2014-01-01	2.5019400000000003
2015-01-01	2.0789400000000002
2016-01-01	1.6732000000000000