Year	Percent
1995-01-01	5.51817523600000
1996-01-01	5.56215464600000
1997-01-01	6.58306212150000
1998-01-01	7.18893902725000
1999-01-01	7.71841645550000
2000-01-01	7.48095611550000
2001-01-01	8.12625431150000
2002-01-01	9.08897201375000
2003-01-01	9.42965282600000
2004-01-01	9.11032375675000
2005-01-01	7.85867998350000
2006-01-01	7.07412522725000
2007-01-01	6.21903489575000
2008-01-01	5.36888997650000
2009-01-01	6.93473246200000
2010-01-01	5.99228599550000
2011-01-01	5.09055692700000
2012-01-01	6.10833333333333
2013-01-01	5.65833333333333
2014-01-01	5.25000000000000
2015-01-01	4.65833333333333
2016-01-01	4.22500000000000
2017-01-01	3.75000000000000