Year Percent 1982 113.92383 1985 92.88689 1988 99.60931 1991 102.9549 1992 101.29314 1993 97.79651 1996 89.41898 1997 91.99335 1999 101.53663 2000 94.55111 2001 87.93718 2003 89.95283 2004 96.13585 2005 93.62663 2007 95.97781 2008 93.21828 2009 95.83905 2010 95.04268