Year	Percent
1996-01-01	82.546200000000000
1997-01-01	91.528550000000000
1998-01-01	41.891890000000004
1999-01-01	52.903220000000000
2000-01-01	78.571430000000000
2001-01-01	84.284870000000000
2002-01-01	66.670810000000000
2003-01-01	93.100320000000000
2004-01-01	83.405290000000010
2005-01-01	80.623750000000000
2006-01-01	67.490650000000000
2007-01-01	68.860130000000000
2008-01-01	44.117490000000004
2009-01-01	66.296810000000000
2010-01-01	65.880820000000000
2011-01-01	62.254690000000004
2012-01-01	61.411010000000000
2013-01-01	54.341830000000000