Year	Percent
1990-01-01	1.8394500000000000
1991-01-01	2.0373500000000000
1992-01-01	5.1893800000000000
1993-01-01	4.8283600000000000
1994-01-01	3.0440700000000000
1995-01-01	2.4857800000000000
1996-01-01	1.7122900000000000
1997-01-01	1.5021400000000000
1998-01-01	1.3216400000000000
1999-01-01	1.5152299999999999
2000-01-01	1.7973200000000000
2001-01-01	1.9902700000000000
2002-01-01	1.9166599999999998
2003-01-01	0.7783470000000000
2004-01-01	0.9604250000000000
2005-01-01	0.9944090000000000
2006-01-01	1.4819500000000000
2007-01-01	1.2998100000000001
2008-01-01	1.8787900000000002
2009-01-01	1.5525100000000000
2010-01-01	1.5232700000000001
2011-01-01	1.7351400000000001
2012-01-01	1.9480600000000000
2013-01-01	2.1784000000000000
2014-01-01	1.9544400000000002
2015-01-01	1.9193700000000000