Year	Percent
1995-01-01	57.294100000000000
1996-01-01	45.988300000000000
1997-01-01	37.016600000000000
1998-01-01	31.492800000000000
1999-01-01	25.707900000000000
2000-01-01	22.679200000000000
2001-01-01	19.733200000000000
2002-01-01	21.637400000000000
2003-01-01	25.197600000000000
2004-01-01	29.730000000000000
2005-01-01	38.719400000000000
2006-01-01	37.407600000000000
2007-01-01	27.784400000000000
2008-01-01	14.064100000000000
2009-01-01	11.006400000000000
2010-01-01	8.864620000000000
2011-01-01	11.531100000000000
2012-01-01	6.796289999999999
2013-01-01	5.348820000000000
2014-01-01	3.659240000000000
2015-01-01	3.996090000000000
2016-01-01	5.553999999999999