Year	Percent
1996-01-01	10.2909999999999990
1997-01-01	4.5820200000000000
1998-01-01	12.3180000000000000
1999-01-01	14.1640000000000010
2000-01-01	16.1177000000000000
2001-01-01	6.9036500000000000
2002-01-01	9.2716200000000000
2003-01-01	8.3333200000000000
2004-01-01	5.9345400000000000
2005-01-01	3.2646599999999997
2006-01-01	2.9791800000000000
2007-01-01	4.6730100000000000
2008-01-01	9.0269800000000000
2009-01-01	8.3791300000000000
2010-01-01	7.8854100000000000
2011-01-01	6.5521800000000000
2012-01-01	8.1097100000000000
2013-01-01	8.1574100000000000
2014-01-01	8.4189700000000000
2015-01-01	7.3899000000000000
2016-01-01	9.8859300000000000