Year	Percent
1995-01-01	11.50710000000000000
1996-01-01	12.65410000000000000
1997-01-01	14.04650000000000000
1998-01-01	13.62980000000000000
1999-01-01	11.59900000000000000
2000-01-01	9.25533000000000000
2001-01-01	8.48866999999999900
2002-01-01	8.91108000000000000
2003-01-01	8.28604000000000000
2004-01-01	7.13198999999999900
2005-01-01	6.60060000000000000
2006-01-01	5.66113000000000000
2007-01-01	4.32097000000000000
2008-01-01	3.26783000000000000
2009-01-01	3.27996999999999960
2010-01-01	3.44231999999999960
2011-01-01	2.49279000000000030
2012-01-01	1.43129000000000000
2013-01-01	0.70805800000000000
2014-01-01	0.53366500000000000
2015-01-01	0.47080200000000005
2016-01-01	0.30888899999999997