Year	Percent
1994-01-01	39.725600000000000
1995-01-01	36.002700000000000
1996-01-01	27.799200000000000
1997-01-01	44.185100000000000
1998-01-01	39.776900000000000
1999-01-01	36.891500000000000
2000-01-01	37.548800000000000
2001-01-01	37.345300000000000
2002-01-01	25.453300000000000
2003-01-01	20.053400000000000
2004-01-01	15.412800000000000
2005-01-01	7.074260000000001
2006-01-01	8.536589999999999
2007-01-01	6.153830000000000
2008-01-01	5.322910000000000
2009-01-01	5.642400000000000
2010-01-01	4.649110000000000
2011-01-01	3.832810000000000
2012-01-01	6.649130000000000
2013-01-01	6.234240000000000
2014-01-01	8.443539999999999
2015-01-01	14.546600000000000
2016-01-01	18.595000000000000