Year	Percent
1996-01-01	1.7670200000000000
1997-01-01	1.6722800000000000
1998-01-01	1.0154900000000000
1999-01-01	0.9456720000000000
2000-01-01	0.9700650000000000
2001-01-01	0.5114410000000000
2002-01-01	0.6191120000000000
2003-01-01	0.8835170000000000
2004-01-01	0.9951790000000000
2005-01-01	1.2685700000000000
2006-01-01	1.5846200000000001
2007-01-01	1.9113300000000000
2008-01-01	2.1928500000000000
2009-01-01	2.1920100000000000
2010-01-01	2.2081600000000000
2011-01-01	2.1033600000000000
2012-01-01	2.1150700000000002
2013-01-01	2.2191099999999997
2014-01-01	2.1920500000000000
2015-01-01	2.5053400000000003
2016-01-01	2.0621700000000000