Year	Percent
1992-01-01	1.2465500000000000
1993-01-01	1.2552400000000000
1994-01-01	1.2398799999999999
1995-01-01	1.2399700000000000
1996-01-01	1.1891500000000000
1997-01-01	1.1063500000000000
1998-01-01	1.0651800000000000
1999-01-01	1.0114200000000000
2000-01-01	0.9818549999999999
2001-01-01	1.1654400000000000
2002-01-01	1.4060600000000000
2003-01-01	1.4396799999999998
2004-01-01	1.1637200000000000
2005-01-01	0.9338250000000000
2006-01-01	0.8527670000000000
2007-01-01	0.8059010000000000
2008-01-01	0.9049940000000001
2009-01-01	0.9401920000000000
2010-01-01	0.8688889999999999
2011-01-01	0.8483740000000000
2012-01-01	0.8470479999999999
2013-01-01	0.8270290000000001
2014-01-01	0.8094340000000000
2015-01-01	0.7955080000000000
2016-01-01	0.7714830000000000