Year Percent 1995 100.28203 1996 111.71254 1997 145.53198 1998 142.9917 1999 124.43036 2000 156.21442 2001 148.03678 2002 139.29122 2003 138.18567 2004 118.31971 2005 128.18859 2006 136.41656 2007 120.01264 2008 117.73247 2009 97.63689 2010 122.50596 2011 147.46478 2012 148.29146 2013 138.37685 2014 131.00034 2015 121.28514 2016 120.42482 2017 120.0156