Year Percent 1995 93.30351 1996 97.65048 1997 99.32897 1999 96.84287 2000 96.84772 2001 102.43319 2002 103.4297 2003 104.88491 2004 97.94617 2005 90.41725 2006 93.27478 2007 96.82825 2008 94.01363 2009 99.10487 2010 103.32216 2011 99.08707 2012 96.63962 2013 95.72162 2014 99.31204 2015 99.59171 2016 99.16424