Year	Percent
1996-01-01	14.274300000000000
1997-01-01	11.035900000000000
1998-01-01	16.502000000000000
1999-01-01	11.459100000000000
2000-01-01	8.865160000000001
2001-01-01	14.568700000000000
2002-01-01	14.281900000000000
2003-01-01	13.247300000000000
2004-01-01	11.591100000000000
2005-01-01	16.806700000000000
2006-01-01	13.051800000000000
2007-01-01	12.093100000000000
2008-01-01	9.201530000000000
2009-01-01	9.055890000000000
2010-01-01	12.020800000000000
2011-01-01	9.241070000000000
2012-01-01	9.635110000000001
2013-01-01	11.757300000000000
2014-01-01	10.162600000000000
2015-01-01	11.112600000000000
2016-01-01	11.892200000000000