Year	Percent
1992-01-01	10.2677000000000000
1993-01-01	14.2086000000000000
1994-01-01	6.9355100000000010
1995-01-01	8.6393399999999990
1996-01-01	5.0736200000000000
1997-01-01	5.2472900000000005
1998-01-01	5.7650400000000000
1999-01-01	5.0067900000000005
2000-01-01	7.4560400000000000
2001-01-01	8.3128900000000000
2002-01-01	6.8541399999999990
2003-01-01	7.0804000000000000
2004-01-01	8.9516500000000000
2005-01-01	8.9316600000000000
2006-01-01	8.7379900000000000
2007-01-01	9.0967899999999990
2008-01-01	10.0235000000000000
2009-01-01	11.7265000000000000
2010-01-01	10.8726000000000000
2011-01-01	11.4919000000000000
2012-01-01	12.9483000000000000
2013-01-01	12.9350000000000000
2014-01-01	14.1934000000000000
2015-01-01	22.9161000000000000
2016-01-01	24.9957000000000000