Year	Percent
1995-01-01	7.0735300000000000
1996-01-01	6.4159300000000000
1997-01-01	7.7946200000000000
1998-01-01	8.0701000000000000
1999-01-01	5.2174100000000000
2000-01-01	4.3090300000000000
2001-01-01	4.5506300000000000
2002-01-01	5.0879500000000000
2003-01-01	4.3560200000000000
2004-01-01	4.0595300000000005
2005-01-01	4.1126100000000000
2006-01-01	4.1423200000000000
2007-01-01	6.5400700000000000
2008-01-01	6.9758100000000010
2009-01-01	3.5718199999999998
2010-01-01	3.6786199999999996
2011-01-01	4.0321700000000000
2012-01-01	4.0184000000000000
2013-01-01	4.8169699999999995
2014-01-01	4.9787200000000000
2015-01-01	5.2818200000000000
2016-01-01	5.1006900000000000