Year	Percent
1995-01-01	0.39931700000000003
1996-01-01	1.76978000000000000
1997-01-01	5.44020999999999950
1998-01-01	4.57457000000000000
1999-01-01	6.40595999999999900
2000-01-01	5.82104000000000000
2001-01-01	5.06532000000000000
2002-01-01	4.03173000000000050
2003-01-01	3.93760000000000000
2004-01-01	3.15599000000000000
2005-01-01	2.54336000000000000
2006-01-01	7.15867000000000000
2007-01-01	9.22204000000000000
2008-01-01	9.14976000000000000
2009-01-01	8.60386000000000100
2010-01-01	6.12568000000000000
2011-01-01	3.59171000000000000
2012-01-01	2.86903000000000000
2013-01-01	2.27112000000000020