Year Percent 1994 95.06458 1995 94.27594 1996 92.96911 1998 97.59538 1999 95.10027 2000 94.0262 2001 92.20979 2002 96.75535 2003 100.17094 2004 98.33582 2005 105.67544 2006 105.65873 2007 110.42446 2009 104.64294 2010 106.48661 2011 104.14542 2012 102.41204 2014 100.40948 2015 103.39267 2016 104.56499