Year	Percent
1990-01-01	0.296568000000000000
1991-01-01	0.208321999999999980
1992-01-01	0.207548999999999980
1993-01-01	0.156611000000000000
1994-01-01	0.140074000000000000
1995-01-01	0.142722000000000020
1996-01-01	0.145374000000000000
1997-01-01	0.126656000000000000
1998-01-01	0.098510000000000000
1999-01-01	0.072662000000000000
2000-01-01	0.066838000000000000
2001-01-01	0.057157000000000006
2002-01-01	0.064760000000000000
2003-01-01	0.046248000000000004
2004-01-01	0.056281000000000000
2005-01-01	0.047234000000000000
2006-01-01	0.048052000000000000
2007-01-01	0.040320000000000000
2008-01-01	0.041797000000000000
2009-01-01	0.042948000000000000
2010-01-01	0.054339000000000000
2011-01-01	0.061940999999999996
2012-01-01	0.072859000000000010
2013-01-01	0.057380999999999995
2014-01-01	0.054939999999999996