Year	Percent
1996-01-01	12.8820000000000000
1997-01-01	12.6691000000000000
1998-01-01	12.0440000000000000
1999-01-01	7.7539899999999990
2000-01-01	5.4198800000000000
2001-01-01	5.8985800000000000
2002-01-01	7.0923300000000005
2003-01-01	10.9226000000000000
2004-01-01	11.1337000000000000
2005-01-01	13.8330000000000000
2006-01-01	18.3713000000000000
2007-01-01	17.6591000000000000
2008-01-01	16.0970000000000000
2009-01-01	14.1006000000000000
2010-01-01	11.5987000000000000
2011-01-01	14.5902000000000000
2012-01-01	14.3288000000000000
2013-01-01	12.8525000000000000
2014-01-01	12.2574000000000000
2015-01-01	10.3220000000000010
2016-01-01	11.2806000000000000