Year	Percent
1990-01-01	0.8175439999999999
1991-01-01	0.9596800000000000
1992-01-01	1.1207600000000000
1993-01-01	1.3472000000000000
1994-01-01	1.4434500000000000
1995-01-01	1.3957400000000000
1996-01-01	1.2745700000000000
1997-01-01	1.1369000000000000
1998-01-01	1.2979600000000000
1999-01-01	1.1085399999999999
2000-01-01	0.9129719999999999
2001-01-01	0.6879569999999999
2002-01-01	0.8040260000000000
2003-01-01	0.8522400000000000
2004-01-01	0.8361820000000000
2005-01-01	0.8835250000000000
2006-01-01	0.8843920000000000
2007-01-01	0.9741690000000001
2008-01-01	1.0073200000000000
2009-01-01	1.3823299999999998
2010-01-01	1.2373700000000000
2011-01-01	1.0615400000000000
2012-01-01	1.0060799999999999
2013-01-01	0.9016069999999999
2014-01-01	0.9191430000000000
2015-01-01	1.0191500000000000