Year Percent 1995 11.61 1996 7.57 1997 8.828 1998 12.12 1999 15.99 2000 12.84 2001 8.122 2002 10.5 2003 7.202 2004 9.807 2005 9.064 2006 7.779 2007 8.565 2008 7.303 2009 7.303 2010 7.303