Year	Percent
1995-01-01	11.689900000000000
1996-01-01	9.647950000000000
1997-01-01	9.740580000000000
1998-01-01	42.420100000000000
1999-01-01	60.329300000000000
2000-01-01	74.155500000000000
2001-01-01	66.355800000000000
2002-01-01	63.271900000000000
2003-01-01	50.562500000000000
2004-01-01	51.663000000000004
2005-01-01	56.557500000000000
2006-01-01	58.041400000000000
2007-01-01	60.245100000000000
2008-01-01	64.542200000000000
2009-01-01	52.585600000000000
2010-01-01	51.955700000000000
2011-01-01	49.636500000000000
2012-01-01	43.173100000000000
2013-01-01	41.685800000000000
2014-01-01	36.435200000000000