Year Percent 1995 93.35183 1996 97.52119 1997 101.02105 1999 98.06555 2000 97.5431 2001 102.77647 2002 103.95252 2003 104.96097 2004 98.79034 2005 90.80234 2006 93.06935 2007 96.55458 2008 94.1708 2009 100.97153 2010 103.3429 2011 100.53305 2012 96.4716 2013 96.21678 2014 100 2015 99.09337 2016 98.9212