Year Percent 1994-01-01 26.9269 1995-01-01 23.8155 1996-01-01 20.2927 1997-01-01 19.7306 1998-01-01 27.6874 1999-01-01 22.4237 2000-01-01 17.7335 2001-01-01 19.4613 2002-01-01 19.5402