Year	Percent
2000-01-01	20.9914
2001-01-01	21.8600
2002-01-01	23.3800
2003-01-01	24.0700
2004-01-01	24.3900
2005-01-01	29.4700
2006-01-01	29.3700
2007-01-01	30.5100
2008-01-01	39.6400
2009-01-01	43.8200
2010-01-01	45.6800
2011-01-01	46.0600
2012-01-01	48.9500
2013-01-01	50.4900
2014-01-01	54.3800
2015-01-01	55.4600
2016-01-01	55.8600