Year	Percent
1993-01-01	0.1853270000000000
1994-01-01	0.4812120000000000
1995-01-01	0.6036900000000000
1996-01-01	1.0302400000000000
1997-01-01	1.5458500000000000
1998-01-01	2.0039100000000000
1999-01-01	3.0239400000000000
2000-01-01	2.9532000000000000
2001-01-01	2.9891000000000000
2002-01-01	3.0093799999999997
2003-01-01	3.3542900000000000
2004-01-01	3.7945300000000004
2005-01-01	3.6501200000000000
2006-01-01	3.2226700000000000
2007-01-01	2.6288000000000000
2008-01-01	2.2446900000000003
2009-01-01	2.0811500000000000
2010-01-01	1.7109400000000001
2011-01-01	1.5331900000000000
2012-01-01	2.3170400000000000
2013-01-01	2.7758599999999998
2014-01-01	2.3125500000000000
2015-01-01	1.9128000000000000
2016-01-01	1.6254100000000000