Year	Percent
2001-01-01	76.4586
2002-01-01	74.3027
2003-01-01	69.8345
2004-01-01	81.3909
2005-01-01	99.4879
2006-01-01	64.0241
2007-01-01	76.1159
2008-01-01	62.8034
2009-01-01	72.9044
2010-01-01	69.9254
2011-01-01	70.2159
2012-01-01	68.2947
2013-01-01	67.3377
2014-01-01	62.3085