Year	Percent
1995-01-01	7.9120000000000010
1996-01-01	5.1709600000000000
1997-01-01	5.8439900000000000
1998-01-01	8.6105300000000000
1999-01-01	7.2959200000000000
2000-01-01	8.6788300000000000
2001-01-01	9.6388000000000000
2002-01-01	5.7573099999999995
2003-01-01	9.5777500000000000
2004-01-01	9.8333900000000000
2005-01-01	13.5010000000000000
2006-01-01	14.7261000000000000
2007-01-01	14.1969000000000000
2008-01-01	6.8685000000000000
2009-01-01	4.5718200000000000
2010-01-01	4.1769900000000000
2011-01-01	3.7137599999999997
2012-01-01	3.0614900000000000
2013-01-01	3.7051300000000005
2014-01-01	3.4018100000000000
2015-01-01	3.7041600000000000
2016-01-01	2.9463800000000000