Year	Percent
1994-01-01	16.158400000000000
1995-01-01	5.939630000000000
1996-01-01	5.999810000000000
1997-01-01	6.725219999999999
1998-01-01	15.118700000000000
1999-01-01	7.425750000000000
2000-01-01	9.365930000000000
2001-01-01	8.392389999999999
2002-01-01	8.615540000000000
2003-01-01	8.459960000000000
2004-01-01	8.267550000000000
2005-01-01	7.974660000000001
2006-01-01	10.740200000000000
2007-01-01	11.077100000000000
2008-01-01	13.639400000000000
2009-01-01	15.269000000000000
2010-01-01	15.707900000000000
2011-01-01	17.585400000000000
2012-01-01	20.844000000000000
2013-01-01	23.375900000000000
2014-01-01	24.156900000000000
2015-01-01	28.332600000000000
2016-01-01	28.139200000000000