Year	Percent
1995-01-01	14.81133820000000
1996-01-01	13.46030219750000
1997-01-01	14.84785035000000
1998-01-01	16.92934786000000
1999-01-01	16.67514165000000
2000-01-01	16.81424481000000
2001-01-01	18.54964242250000
2002-01-01	20.80141769000000
2003-01-01	22.10518549500000
2004-01-01	20.42061080000000
2005-01-01	17.73689304250000
2006-01-01	18.19668691750000
2007-01-01	16.02376122000000
2008-01-01	12.61379147750000
2009-01-01	14.55412175500000
2010-01-01	13.60406297500000
2011-01-01	11.57437097275000
2012-01-01	12.09166666666670
2013-01-01	10.50000000000000
2014-01-01	10.51666666666670
2015-01-01	9.24166666666666
2016-01-01	8.59166666666667
2017-01-01	7.25000000000000