Year	Percent
1995-01-01	2.46855999999999960
1996-01-01	1.36622000000000000
1997-01-01	0.94270599999999990
1998-01-01	1.58992999999999980
1999-01-01	1.54107000000000020
2000-01-01	4.24126000000000000
2001-01-01	2.99324000000000000
2002-01-01	3.85034000000000000
2003-01-01	7.20812000000000000
2004-01-01	3.32233000000000040
2005-01-01	3.02100000000000040
2006-01-01	4.39192000000000000
2007-01-01	4.65017000000000000
2008-01-01	2.88309000000000000
2009-01-01	4.08135000000000000
2010-01-01	5.68778000000000000
2011-01-01	5.43686000000000000
2012-01-01	0.21205500000000002
2013-01-01	0.42894600000000000