Year	Percent
1996-01-01	9.731060000000001
1997-01-01	5.748660000000000
1998-01-01	13.503700000000000
1999-01-01	11.098200000000000
2000-01-01	7.659720000000000
2001-01-01	10.201000000000000
2002-01-01	9.571600000000000
2003-01-01	9.943920000000000
2004-01-01	17.451000000000000
2005-01-01	24.054600000000000
2006-01-01	25.930500000000000
2007-01-01	27.024000000000000
2008-01-01	19.502900000000000
2009-01-01	16.253700000000000
2010-01-01	16.104300000000000
2011-01-01	14.999600000000000
2012-01-01	26.547500000000000
2013-01-01	17.202000000000000
2014-01-01	24.944000000000003
2015-01-01	23.699800000000000
2016-01-01	6.763200000000000