Year	Percent
1995-01-01	1.8671500000000000
1996-01-01	0.8760889999999999
1997-01-01	4.6816300000000000
1998-01-01	4.2795600000000000
1999-01-01	4.7074500000000000
2000-01-01	5.2093099999999990
2001-01-01	3.9738800000000003
2002-01-01	4.6620000000000000
2003-01-01	3.9641699999999997
2004-01-01	4.4684400000000000
2005-01-01	3.5917700000000000
2006-01-01	2.4837400000000000
2007-01-01	2.5739099999999997
2008-01-01	5.1205800000000000
2009-01-01	7.4148900000000000
2010-01-01	7.8694700000000000
2011-01-01	7.8340600000000010
2012-01-01	7.7017800000000000
2013-01-01	7.0005200000000000