Year	Percent
1994-01-01	6.739450000000000
1995-01-01	8.823750000000000
1996-01-01	9.348930000000001
1997-01-01	12.275100000000000
1998-01-01	12.744800000000000
1999-01-01	14.950100000000000
2000-01-01	17.206400000000000
2001-01-01	22.746600000000000
2002-01-01	24.175300000000000
2003-01-01	29.852600000000000
2004-01-01	28.204600000000000
2005-01-01	29.238500000000000
2006-01-01	30.659600000000000
2007-01-01	29.414400000000000
2008-01-01	29.557100000000000
2009-01-01	35.118600000000000
2010-01-01	35.942800000000000
2011-01-01	33.047900000000000
2012-01-01	41.754800000000000
2013-01-01	42.213800000000000
2014-01-01	43.815700000000000
2015-01-01	40.641200000000000
2016-01-01	43.484200000000000