Year	Percent
1996-01-01	1.3506200000000002
1997-01-01	3.4771099999999997
1998-01-01	1.6913300000000000
1999-01-01	1.1764700000000001
2000-01-01	7.8471500000000000
2001-01-01	6.3072500000000000
2002-01-01	8.0018800000000000
2003-01-01	7.0625399999999990
2004-01-01	6.0393400000000000
2005-01-01	5.8855200000000000
2006-01-01	5.8246000000000000
2007-01-01	5.9934400000000005
2008-01-01	6.0875000000000000
2009-01-01	5.4553199999999995
2010-01-01	6.0060699999999990
2011-01-01	6.7548200000000000
2012-01-01	7.0236300000000010
2013-01-01	6.2093500000000000
2014-01-01	5.9333800000000005
2015-01-01	6.5410699999999995
2016-01-01	5.6517500000000000