Year	Percent
1996-01-01	11.431800000000000
1997-01-01	31.097600000000000
1998-01-01	28.881900000000000
1999-01-01	22.214300000000000
2000-01-01	30.836100000000000
2001-01-01	23.497200000000000
2002-01-01	15.718400000000000
2003-01-01	13.536800000000000
2004-01-01	12.287000000000000
2005-01-01	19.858600000000000
2006-01-01	24.481200000000000
2007-01-01	19.356400000000000
2008-01-01	39.473300000000000
2009-01-01	29.661800000000000
2010-01-01	20.551600000000000
2011-01-01	28.336400000000000
2012-01-01	13.213200000000000
2013-01-01	8.438150000000000
2014-01-01	5.508030000000001
2015-01-01	9.882810000000001
2016-01-01	11.494500000000000