Year	Percent
1996-01-01	70.000000000000000
1997-01-01	72.413800000000000
1998-01-01	80.000000000000000
1999-01-01	70.673999999999990
2000-01-01	84.848500000000000
2001-01-01	90.625000000000000
2002-01-01	83.783800000000000
2003-01-01	87.780000000000000
2004-01-01	69.047600000000000
2005-01-01	56.734100000000000
2006-01-01	35.363100000000000
2007-01-01	58.666700000000000
2008-01-01	51.111100000000000
2009-01-01	47.916700000000000
2010-01-01	61.904800000000000
2011-01-01	56.097600000000000
2012-01-01	49.623000000000005
2013-01-01	52.598300000000000
2014-01-01	48.473000000000000