Year	Percent
1996-01-01	92.9253
1997-01-01	92.7009
1998-01-01	64.5830
1999-01-01	63.7588
2000-01-01	70.4112
2001-01-01	72.7967
2002-01-01	71.7817
2003-01-01	74.9732
2004-01-01	71.3807
2005-01-01	72.6808
2006-01-01	64.3818
2007-01-01	62.4144
2008-01-01	63.3516
2009-01-01	63.9106
2010-01-01	60.3845
2011-01-01	57.8936
2012-01-01	57.2288
2013-01-01	56.4825
2014-01-01	58.8108
2015-01-01	82.1687
2016-01-01	80.4801