Year	Percent
1996-01-01	12.5692000000000000
1997-01-01	12.9228000000000000
1998-01-01	16.6929999999999980
1999-01-01	11.9808000000000000
2000-01-01	13.3427000000000000
2001-01-01	12.4680000000000000
2002-01-01	12.9496000000000000
2003-01-01	14.1185000000000000
2004-01-01	15.4091000000000000
2005-01-01	14.4239000000000000
2006-01-01	21.9131000000000000
2007-01-01	18.7253000000000000
2008-01-01	3.7613600000000000
2009-01-01	6.8893200000000000
2010-01-01	8.9078600000000010
2011-01-01	0.7616370000000000
2012-01-01	7.2988200000000000
2013-01-01	7.1742800000000000
2014-01-01	7.1946600000000010
2015-01-01	6.9890300000000005
2016-01-01	8.5622700000000000