Year	Percent
1990-01-01	0.0284930000000000000
1991-01-01	0.0281220000000000000
1992-01-01	0.0302560000000000000
1993-01-01	0.0239800000000000000
1994-01-01	0.0228690000000000000
1995-01-01	0.0214580000000000000
1996-01-01	0.0157580000000000000
1997-01-01	0.0124190000000000000
1998-01-01	0.0091470000000000000
1999-01-01	0.0051680000000000000
2000-01-01	0.0044560000000000000
2001-01-01	0.0051800000000000000
2002-01-01	0.0001730000000000000
2003-01-01	0.0055800000000000000
2004-01-01	0.0064550000000000000
2005-01-01	0.0060600000000000000
2006-01-01	0.0058200000000000005
2007-01-01	0.0044800000000000000
2008-01-01	0.0038040000000000000
2009-01-01	0.0040130000000000000
2010-01-01	0.0041290000000000000
2011-01-01	0.0042480000000000000
2012-01-01	0.0045110000000000000
2013-01-01	0.0036520000000000003
2014-01-01	0.0035880000000000000