Year	Percent
1996-01-01	13.8213000000000000
1997-01-01	10.9663000000000000
1998-01-01	7.5953600000000000
1999-01-01	12.5087000000000000
2000-01-01	11.8415000000000000
2001-01-01	10.5909000000000000
2002-01-01	7.7458899999999990
2003-01-01	8.9396399999999990
2004-01-01	10.3557000000000000
2005-01-01	5.7324600000000000
2006-01-01	6.2013000000000000
2007-01-01	7.4669800000000000
2008-01-01	6.9935100000000010
2009-01-01	4.7220500000000000
2010-01-01	6.2803900000000010
2011-01-01	6.5653900000000000
2012-01-01	5.1035100000000000
2013-01-01	3.8657100000000000
2014-01-01	3.6195800000000005
2015-01-01	3.4215400000000002
2016-01-01	7.3974300000000000