Year	Percent
1993-01-01	0.5788120000000000
1994-01-01	0.6271570000000000
1995-01-01	0.6014619999999999
1996-01-01	0.6238060000000001
1997-01-01	0.6732440000000000
1998-01-01	0.7259090000000000
1999-01-01	0.9268129999999999
2000-01-01	1.0797600000000000
2001-01-01	1.2386900000000000
2002-01-01	1.2772000000000000
2003-01-01	1.4680799999999998
2004-01-01	1.4455799999999999
2005-01-01	1.3786900000000000
2006-01-01	1.3467799999999999
2007-01-01	1.4126000000000000
2008-01-01	1.4170800000000000
2009-01-01	1.5352400000000000
2010-01-01	1.8151599999999999
2011-01-01	1.7851599999999999
2012-01-01	1.7746099999999998
2013-01-01	1.7464500000000000
2014-01-01	1.6501000000000000
2015-01-01	1.3703800000000000
2016-01-01	1.2635600000000000