Year	Percent
1996-01-01	45.0188
1997-01-01	52.5623
1998-01-01	58.2313
1999-01-01	63.7591
2000-01-01	68.2075
2001-01-01	74.3444
2002-01-01	97.1048
2003-01-01	100.0000
2004-01-01	100.0000
2005-01-01	82.0435
2006-01-01	62.1859
2007-01-01	60.6316
2008-01-01	63.0699
2009-01-01	64.6994
2010-01-01	68.0337
2011-01-01	68.6319
2012-01-01	70.8965
2013-01-01	71.0814
2014-01-01	70.8746
2015-01-01	71.2288
2016-01-01	70.7323