Year	Percent
1992-01-01	4.6425400000000000
1993-01-01	5.0834800000000010
1994-01-01	5.0834800000000010
1995-01-01	2.0707000000000000
1996-01-01	2.3417400000000000
1997-01-01	2.6262400000000000
1998-01-01	2.8644000000000000
1999-01-01	3.0029200000000000
2000-01-01	2.6015500000000000
2001-01-01	2.4945400000000000
2002-01-01	2.5884400000000003
2003-01-01	2.4881400000000000
2004-01-01	2.5660700000000000
2005-01-01	2.1117700000000000
2006-01-01	1.8250700000000000
2007-01-01	1.3967399999999999
2008-01-01	0.8402330000000000
2009-01-01	2.4000200000000000
2010-01-01	3.6594300000000004
2011-01-01	2.6016600000000000
2012-01-01	1.5230600000000000
2013-01-01	0.9983460000000000
2014-01-01	0.4978550000000000
2015-01-01	1.0850200000000000
2016-01-01	1.2538600000000000