Year Percent 1994 95 1995 100 1999 92 2000 97.3 2001 96.6 2002 99.2 2003 98.2 2004 94 2005 94 2006 97.9 2007 95.7 2008 96.7 2009 96.7 2010 96.2 2011 96.7 2014 96.6 2015 96.3