Year	Percent
1995-01-01	0.9645710000000000
1996-01-01	0.9761470000000000
1997-01-01	2.6213000000000000
1998-01-01	2.3952100000000000
1999-01-01	1.8832400000000002
2000-01-01	3.3019500000000000
2001-01-01	6.9840700000000000
2002-01-01	6.5637399999999990
2003-01-01	5.3777099999999995
2004-01-01	3.5241200000000000
2005-01-01	7.4140200000000000
2006-01-01	4.7748500000000000
2007-01-01	3.2623500000000000
2008-01-01	3.8176500000000000
2009-01-01	2.9614300000000000
2010-01-01	2.3102900000000000
2011-01-01	2.0886500000000000
2012-01-01	2.3827000000000000
2013-01-01	2.5770400000000000