Year	Percent
1994-01-01	7.806369999999999
1995-01-01	8.820990000000000
1996-01-01	10.367700000000000
1997-01-01	15.499100000000000
1998-01-01	21.453700000000000
1999-01-01	25.543100000000000
2000-01-01	33.691900000000000
2001-01-01	34.595500000000000
2002-01-01	38.431900000000000
2003-01-01	41.397500000000000
2004-01-01	59.885000000000000
2005-01-01	61.602100000000000
2006-01-01	69.075300000000000
2007-01-01	74.046700000000000
2008-01-01	63.859900000000000
2009-01-01	72.393900000000000
2010-01-01	65.038800000000000
2011-01-01	53.348500000000000
2012-01-01	58.616300000000000
2013-01-01	52.551400000000000
2014-01-01	54.376900000000000
2015-01-01	60.546000000000010