Year	Percent
1996-01-01	11.3110000000000000
1997-01-01	10.0454000000000000
1998-01-01	11.8110000000000000
1999-01-01	10.7188000000000000
2000-01-01	12.0767000000000000
2001-01-01	11.7334000000000000
2002-01-01	7.5467100000000010
2003-01-01	7.2051300000000005
2004-01-01	5.0773400000000000
2005-01-01	5.7657400000000000
2006-01-01	0.0813740000000000
2007-01-01	9.6742300000000000
2008-01-01	11.8090000000000010
2009-01-01	12.3676000000000000
2010-01-01	9.4988700000000000
2011-01-01	5.3621400000000000
2012-01-01	6.5835200000000000
2013-01-01	6.5835200000000000
2014-01-01	13.8601000000000000
2015-01-01	11.6526000000000000
2016-01-01	13.5400000000000000