Year	Percent
1993-01-01	2.35318000000000000
1994-01-01	1.67034000000000020
1995-01-01	1.65942000000000010
1996-01-01	0.54649399999999990
1997-01-01	0.35112600000000005
1998-01-01	0.61663000000000000
1999-01-01	0.44620699999999996
2000-01-01	0.48908800000000000
2001-01-01	0.53752100000000000
2002-01-01	0.66160299999999990
2003-01-01	0.76720300000000000
2004-01-01	0.54303400000000000
2005-01-01	0.45572500000000000
2006-01-01	0.38753400000000000
2007-01-01	0.31867900000000000
2008-01-01	0.27458299999999997
2009-01-01	0.25890000000000000
2010-01-01	0.24247000000000000
2011-01-01	0.22793500000000000
2012-01-01	0.22209099999999998
2013-01-01	0.28454400000000000
2014-01-01	0.30611700000000003
2015-01-01	0.34467200000000000
2016-01-01	0.31744000000000000
2017-01-01	0.31370000000000000