Year	Percent
1996-01-01	10.478100000000000
1997-01-01	10.153200000000000
1998-01-01	9.900570000000000
1999-01-01	10.213900000000000
2000-01-01	10.623000000000000
2001-01-01	11.617100000000000
2002-01-01	3.672910000000000
2003-01-01	7.473560000000001
2004-01-01	10.760500000000000
2005-01-01	30.186700000000000
2006-01-01	22.860400000000000
2007-01-01	46.638600000000000
2008-01-01	37.607100000000000
2009-01-01	39.755800000000000
2010-01-01	31.834400000000000
2011-01-01	8.850550000000000
2012-01-01	31.096700000000000
2013-01-01	21.188700000000000
2014-01-01	9.370070000000000
2015-01-01	12.919200000000000
2016-01-01	12.516900000000000