Year	Percent
1996-01-01	14.01300000000000000
1997-01-01	10.26830000000000000
1998-01-01	14.86230000000000000
1999-01-01	0.90851200000000010
2000-01-01	0.84330200000000000
2001-01-01	0.78725800000000000
2002-01-01	1.42708000000000000
2003-01-01	1.66929000000000020
2004-01-01	1.43953000000000000
2005-01-01	1.18462999999999980
2006-01-01	0.89464300000000010
2007-01-01	0.63849000000000000
2008-01-01	0.38638000000000000
2009-01-01	0.66269000000000000
2010-01-01	0.68509500000000000
2011-01-01	0.52563100000000010
2012-01-01	0.48229799999999995
2013-01-01	0.46971899999999994