Year	Percent
1995-01-01	5.56384558150000
1996-01-01	5.81267211100000
1997-01-01	6.81580350000000
1998-01-01	8.00042780600000
1999-01-01	8.46594057400000
2000-01-01	8.43129401575000
2001-01-01	8.89787125850000
2002-01-01	10.05163330375000
2003-01-01	10.19230953450000
2004-01-01	9.50104438100000
2005-01-01	8.52253121100000
2006-01-01	7.89487300750000
2007-01-01	6.77482191675000
2008-01-01	5.74694061300000
2009-01-01	7.54952905600000
2010-01-01	6.76451492375000
2011-01-01	5.58963101075000
2012-01-01	6.75000000000000
2013-01-01	6.19166666666667
2014-01-01	5.85833333333333
2015-01-01	5.11666666666667
2016-01-01	4.65833333333333
2017-01-01	4.12500000000000