Year	Percent
1995-01-01	19.728100000000000
1996-01-01	12.688900000000000
1997-01-01	8.476569999999999
1998-01-01	9.648850000000000
1999-01-01	9.535010000000000
2000-01-01	9.398719999999999
2001-01-01	6.672160000000001
2002-01-01	6.851039999999999
2003-01-01	8.122410000000000
2004-01-01	8.510350000000000
2005-01-01	6.049430000000000
2006-01-01	12.801700000000000
2007-01-01	13.509300000000000
2008-01-01	8.077980000000000
2009-01-01	9.842390000000000
2010-01-01	9.034089999999999
2011-01-01	6.754550000000000
2012-01-01	5.284669999999999
2013-01-01	7.261539999999999
2014-01-01	8.121290000000000
2015-01-01	9.556569999999999
2016-01-01	10.695100000000000