Year 2000 = 100 1980 51.72649687 1981 45.94468202 1982 41.54325568 1983 40.94149902 1984 43.15929893 1985 45.59540612 1986 32.53980031 1987 48.83677103 1988 30.56653854 1989 51.37909927 1990 44.02374542 1991 52.46851078 1992 50.58106388 1993 52.34339001 1994 54.27291769 1995 63.97091557 1996 67.86835804 1997 78.34255089 1998 88.67674619 1999 89.83963391 2000 100 2001 98.60826746 2002 167.2666034 2003 179.2144716 2004 187.4097752 2005 185.3986312 2006 197.710123 2007 213.5296272 2008 217.7491189 2009 210.1557145 2010 227.2233116 2011 249.3485585 2012 253.1502286 2013 264.9164067 2014 291.3197977 2015 331.603821 2016 317.0092322 2017 320.5176 2018 322.9846815