Year	Percent
1996-01-01	10.3340000000000010
1997-01-01	10.6879000000000000
1998-01-01	11.0680000000000000
1999-01-01	9.7105600000000010
2000-01-01	6.9125900000000000
2001-01-01	12.8347000000000000
2002-01-01	10.6399000000000000
2003-01-01	11.1825000000000000
2004-01-01	11.2704000000000000
2005-01-01	8.9675300000000000
2006-01-01	10.0116000000000000
2007-01-01	10.6018000000000000
2008-01-01	9.6980800000000010
2009-01-01	8.6171100000000000
2010-01-01	7.4131100000000005
2011-01-01	6.3540500000000000
2012-01-01	6.3068400000000000
2013-01-01	6.6647600000000000
2014-01-01	6.7542300000000010
2015-01-01	5.8422900000000000
2016-01-01	5.4010200000000000