Year	Percent
1996-01-01	13.300000000000000
1997-01-01	9.500000000000000
1998-01-01	4.200000000000000
1999-01-01	7.500000000000000
2000-01-01	8.510000000000000
2001-01-01	8.390000000000000
2002-01-01	6.650000000000000
2003-01-01	5.200000000000000
2004-01-01	5.630000000000000
2005-01-01	6.750000000000000
2006-01-01	5.190000000000000
2007-01-01	3.290000000000000
2008-01-01	2.800000000000000
2009-01-01	10.520000000000000
2010-01-01	8.220000000000000
2011-01-01	5.502120000000000
2012-01-01	3.550000000000000
2013-01-01	6.690000000000000
2014-01-01	4.480000000000000
2015-01-01	1.360150000000000
2016-01-01	4.950419999999999