Year	Percent
1989-01-01	1.2349200000000000
1990-01-01	1.1830399999999999
1991-01-01	1.1428600000000000
1992-01-01	5.9287600000000000
1993-01-01	4.6770000000000000
1994-01-01	3.7434199999999995
1995-01-01	1.9345100000000000
1996-01-01	1.5813900000000000
1997-01-01	1.6532900000000001
1998-01-01	1.0708000000000000
1999-01-01	0.5939680000000000
2000-01-01	0.6992710000000000
2001-01-01	1.0583700000000000
2002-01-01	1.3868500000000000
2003-01-01	1.9030700000000000
2004-01-01	3.4037100000000000
2005-01-01	4.0820500000000000
2006-01-01	3.0039800000000000
2007-01-01	2.4424200000000003
2008-01-01	2.6322700000000000
2009-01-01	1.7875700000000000
2010-01-01	1.2747400000000000
2011-01-01	1.7191400000000001
2012-01-01	3.1897000000000000
2013-01-01	2.5690800000000000
2014-01-01	0.6791320000000000