Year	Percent
1995-01-01	43.403800000000000
1996-01-01	24.654100000000000
1997-01-01	25.664300000000000
1998-01-01	26.850800000000000
1999-01-01	15.833300000000000
2000-01-01	13.753600000000000
2001-01-01	18.107000000000000
2002-01-01	24.310000000000000
2003-01-01	31.533700000000000
2004-01-01	40.483200000000000
2005-01-01	42.209200000000000
2006-01-01	46.205500000000000
2007-01-01	56.861600000000000
2008-01-01	61.874900000000000
2009-01-01	60.205300000000000
2010-01-01	62.598800000000000
2011-01-01	64.127600000000000
2012-01-01	67.385400000000000
2013-01-01	70.689400000000000
2014-01-01	64.365200000000000
2015-01-01	61.342200000000000
2016-01-01	58.763999999999996