Year Percent 2003-01-01 100.0000 2004-01-01 100.0000 2005-01-01 100.0000 2006-01-01 100.0000 2007-01-01 100.0000 2008-01-01 100.0000 2009-01-01 100.0000 2010-01-01 98.2225 2011-01-01 97.9175 2012-01-01 97.6125 2013-01-01 97.6289 2014-01-01 97.4320 2015-01-01 94.9876 2016-01-01 95.2069