Year Percent 1995 9.848 1996 9.848 1997 9.848 1998 9.848 1999 11.34 2000 7.256 2001 9.693 2002 9.691 2003 9.951 2004 9.41 2005 11.21 2006 10.18 2007 9.775 2008 10.58 2009 13.62 2010 12.11