Year	Percent
1995-01-01	1.8991900000000002
1996-01-01	1.1507000000000000
1997-01-01	7.0922300000000010
1998-01-01	8.5033000000000000
1999-01-01	9.2812900000000000
2000-01-01	7.3522100000000000
2001-01-01	9.2381900000000000
2002-01-01	10.6616000000000000
2003-01-01	11.9798000000000000
2004-01-01	4.4796100000000000
2005-01-01	6.0863500000000000
2006-01-01	3.1417400000000000
2007-01-01	3.3183900000000000
2008-01-01	3.5367800000000003
2009-01-01	1.2070500000000000
2010-01-01	0.7893970000000000
2011-01-01	0.6367659999999999
2012-01-01	1.9818900000000002
2013-01-01	2.2103500000000000