Year	Percent
1990-01-01	0.7143950000000000
1991-01-01	0.6619970000000001
1992-01-01	0.6645310000000001
1993-01-01	0.6732300000000000
1994-01-01	0.6862500000000000
1995-01-01	0.7061010000000000
1996-01-01	0.7934590000000000
1997-01-01	0.7406520000000001
1998-01-01	0.6985150000000000
1999-01-01	0.7018430000000000
2000-01-01	0.6849810000000001
2001-01-01	0.6655160000000000
2002-01-01	0.7089710000000000
2003-01-01	0.7426290000000000
2004-01-01	0.8148440000000000
2005-01-01	0.9136590000000000
2006-01-01	0.8823970000000000
2007-01-01	0.8713690000000001
2008-01-01	0.7835180000000000
2009-01-01	0.6938110000000000
2010-01-01	0.6263420000000000
2011-01-01	0.7171950000000000
2012-01-01	0.6019040000000000
2013-01-01	0.5573300000000000
2014-01-01	0.5318970000000001
2015-01-01	0.5258250000000000