Year	Percent
1996-01-01	1.5156300000000000
1997-01-01	1.5355500000000000
1998-01-01	2.0023700000000000
1999-01-01	1.7270800000000000
2000-01-01	1.8358000000000000
2001-01-01	0.2805330000000000
2002-01-01	0.6767280000000000
2003-01-01	1.2492400000000000
2004-01-01	2.0798600000000000
2005-01-01	0.9840969999999999
2006-01-01	1.0786300000000000
2007-01-01	1.2056700000000000
2008-01-01	1.0333299999999999
2009-01-01	0.7762470000000000
2010-01-01	0.6304690000000000
2011-01-01	0.5631790000000000
2012-01-01	0.5367390000000001
2013-01-01	0.6197270000000000
2014-01-01	0.5903960000000000