Year	Percent
1995-01-01	48.98890
1996-01-01	44.38450
1997-01-01	39.29920
1998-01-01	67.79930
1999-01-01	67.57650
2000-01-01	72.91010
2001-01-01	82.92150
2002-01-01	93.57140
2003-01-01	25.15130
2004-01-01	26.30130
2005-01-01	13.29820
2006-01-01	22.45690
2007-01-01	16.71200
2008-01-01	17.56830
2009-01-01	16.81640
2010-01-01	18.78320
2011-01-01	13.55970
2012-01-01	13.01680
2013-01-01	10.26610
2014-01-01	9.15775
2015-01-01	14.42790
2016-01-01	13.05840