Year	Percent
1996-01-01	2.6358400000000000
1997-01-01	2.3049500000000000
1998-01-01	2.2540900000000000
1999-01-01	1.7989400000000002
2000-01-01	1.9844600000000000
2001-01-01	2.0098200000000000
2002-01-01	2.0874599999999996
2003-01-01	1.7464900000000000
2004-01-01	1.1408900000000000
2005-01-01	1.3609300000000000
2006-01-01	1.6171500000000000
2007-01-01	1.1119700000000001
2008-01-01	0.8145600000000001
2009-01-01	1.0651899999999999
2010-01-01	0.9654309999999999
2011-01-01	1.0442100000000000
2012-01-01	1.0138100000000000
2013-01-01	0.8995219999999999
2014-01-01	0.8539290000000000
2015-01-01	0.7702230000000000
2016-01-01	0.8918590000000001