Year	Percent
1995-01-01	1.2379100000000000
1996-01-01	0.8217260000000001
1997-01-01	4.8754100000000000
1998-01-01	4.5931100000000000
1999-01-01	3.8589800000000003
2000-01-01	2.7612799999999997
2001-01-01	1.6653099999999998
2002-01-01	4.5478900000000000
2003-01-01	4.0065599999999995
2004-01-01	3.7150100000000000
2005-01-01	4.1267800000000000
2006-01-01	3.3778200000000000
2007-01-01	2.3879099999999998
2008-01-01	2.0748900000000003
2009-01-01	2.6459700000000000
2010-01-01	2.4729400000000004
2011-01-01	3.2714400000000000
2012-01-01	5.0729300000000000
2013-01-01	5.4501000000000000
2014-01-01	4.8923500000000000
2015-01-01	7.4489399999999995
2016-01-01	6.9972000000000000