Year	Percent
1996-01-01	11.053700000000000
1997-01-01	8.300950000000000
1998-01-01	8.243600000000000
1999-01-01	8.627550000000000
2000-01-01	10.858700000000000
2001-01-01	6.598470000000000
2002-01-01	8.182570000000000
2003-01-01	6.737470000000000
2004-01-01	8.812020000000000
2005-01-01	6.761300000000000
2006-01-01	7.536040000000000
2007-01-01	9.224150000000000
2008-01-01	7.085980000000000
2009-01-01	6.857400000000000
2010-01-01	7.059600000000000
2011-01-01	8.128610000000000
2012-01-01	7.329780000000000
2013-01-01	5.861920000000000
2014-01-01	5.401930000000000
2015-01-01	29.231600000000000
2016-01-01	5.254630000000001