Year	Percent
2000-01-01	83.400000000000000
2001-01-01	83.400000000000000
2002-01-01	32.100000000000000
2003-01-01	34.300000000000000
2004-01-01	77.000000000000000
2005-01-01	70.700000000000000
2006-01-01	64.300000000000000
2007-01-01	66.600000000000000
2008-01-01	15.100000000000000
2009-01-01	46.700000000000000
2010-01-01	22.579500000000000
2011-01-01	25.328000000000003
2012-01-01	25.248000000000000
2013-01-01	24.743100000000000
2014-01-01	25.287300000000000
2015-01-01	28.578900000000000
2016-01-01	34.059200000000000