Year	Percent
1992-01-01	0.7777800000000000
1993-01-01	0.8322680000000000
1994-01-01	0.8321390000000000
1995-01-01	0.7426820000000000
1996-01-01	0.6789080000000000
1997-01-01	0.6748890000000001
1998-01-01	0.8880180000000000
1999-01-01	0.8338850000000000
2000-01-01	0.7353760000000000
2001-01-01	0.8106840000000000
2002-01-01	0.9153370000000001
2003-01-01	0.7953630000000000
2004-01-01	0.7658870000000000
2005-01-01	0.7011660000000000
2006-01-01	0.6780320000000000
2007-01-01	0.7340710000000000
2008-01-01	0.7185660000000000
2009-01-01	0.8452000000000000
2010-01-01	0.7466010000000001
2011-01-01	0.8230030000000000
2012-01-01	0.8177690000000000
2013-01-01	0.8841360000000000
2014-01-01	0.8260750000000000
2015-01-01	0.8760540000000001
2016-01-01	0.8207800000000000