Year	Percent
1996-01-01	16.5508000000000000
1997-01-01	5.4110300000000000
1998-01-01	10.6359000000000000
1999-01-01	15.8514000000000000
2000-01-01	18.6343000000000000
2001-01-01	9.9986400000000000
2002-01-01	10.6515000000000000
2003-01-01	10.7559000000000000
2004-01-01	15.7884000000000000
2005-01-01	14.4561000000000000
2006-01-01	12.4488000000000000
2007-01-01	11.2662000000000000
2008-01-01	12.2178000000000000
2009-01-01	8.2443800000000000
2010-01-01	11.1650000000000000
2011-01-01	13.1142000000000000
2012-01-01	13.1649000000000000
2013-01-01	11.2112000000000000
2014-01-01	6.1068400000000000
2015-01-01	7.8136600000000005
2016-01-01	2.4650100000000000