Year	Percent
1992-01-01	34.5418000000000000
1993-01-01	34.5418000000000000
1994-01-01	34.5418000000000000
1995-01-01	1.7014000000000000
1996-01-01	1.3080000000000000
1997-01-01	9.1027300000000010
1998-01-01	4.2374199999999990
1999-01-01	1.7342200000000000
2000-01-01	5.3937599999999990
2001-01-01	4.9863100000000000
2002-01-01	2.9486500000000000
2003-01-01	3.3316000000000000
2004-01-01	2.8497500000000000
2005-01-01	1.9676200000000001
2006-01-01	2.0566400000000002
2007-01-01	3.6585099999999997
2008-01-01	2.6279900000000000
2009-01-01	2.7422000000000000
2010-01-01	1.3290000000000000
2011-01-01	1.2014000000000000
2012-01-01	1.4218000000000000
2013-01-01	2.0925000000000000