Year	Percent
1993-01-01	1.6645400000000001
1994-01-01	2.2006300000000000
1995-01-01	2.3570500000000000
1996-01-01	2.5324299999999997
1997-01-01	2.7543500000000000
1998-01-01	3.0323800000000000
1999-01-01	4.4494500000000000
2000-01-01	5.1461400000000000
2001-01-01	9.0210900000000000
2002-01-01	7.0133800000000010
2003-01-01	5.8942600000000000
2004-01-01	6.0005500000000000
2005-01-01	5.2747900000000000
2006-01-01	5.5904700000000000
2007-01-01	5.7230300000000005
2008-01-01	5.4679500000000000
2009-01-01	4.4405800000000010
2010-01-01	4.1620300000000010
2011-01-01	4.3915500000000000
2012-01-01	4.2806700000000000
2013-01-01	4.6841900000000000
2014-01-01	5.2474600000000000
2015-01-01	5.4876600000000000
2016-01-01	5.9177500000000000