Year	Percent
1995-01-01	5.4945200000000000
1996-01-01	1.9012400000000000
1997-01-01	1.4329500000000000
1998-01-01	2.2924100000000000
1999-01-01	4.5543200000000000
2000-01-01	6.2783200000000000
2001-01-01	3.3184400000000003
2002-01-01	4.3485300000000000
2003-01-01	2.4028300000000000
2004-01-01	2.0110300000000000
2005-01-01	1.5339800000000000
2006-01-01	1.3573200000000000
2007-01-01	1.4590200000000000
2008-01-01	3.3193800000000000
2009-01-01	4.3428700000000000
2010-01-01	4.4733199999999990
2011-01-01	4.4338200000000000
2012-01-01	2.8537700000000000
2013-01-01	2.2723200000000000