Year Percent 1999-01-01 35.7143 2000-01-01 50.0000 2001-01-01 33.3333 2002-01-01 50.0000 2003-01-01 38.0952 2004-01-01 42.8571 2005-01-01 57.1429 2006-01-01 28.0000 2007-01-01 38.8889 2008-01-01 19.9881 2009-01-01 92.3077 2010-01-01 39.0244 2011-01-01 57.5163 2012-01-01 34.8066 2013-01-01 27.1967 2014-01-01 22.7543