Year	Percent
1995-01-01	4.5936900000000005
1996-01-01	3.1855900000000004
1997-01-01	1.7642500000000000
1998-01-01	1.7847200000000000
1999-01-01	1.3445200000000002
2000-01-01	1.7299000000000000
2001-01-01	1.2969200000000000
2002-01-01	0.5649700000000000
2003-01-01	0.7291590000000000
2004-01-01	0.8384520000000001
2005-01-01	4.9758800000000000
2006-01-01	2.8080500000000000
2007-01-01	4.7714900000000000
2008-01-01	2.3148000000000000
2009-01-01	2.7302700000000000
2010-01-01	7.1756600000000010
2011-01-01	3.4183500000000000
2012-01-01	8.2168100000000000
2013-01-01	13.4904000000000000