Year Percent 1995 5.547 1996 5.547 1997 5.547 1998 5.547 1999 5.547 2000 5.999 2001 5.748 2002 8.091 2003 6.49 2004 5.502 2005 5.457 2006 5.339 2007 5.502 2008 5.502 2009 5.502 2010 5.457