Year Index (2000=100) 1980 72.56624 1981 59.79434 1982 52.49568 1983 55.18877 1984 53.84073 1985 50.9645 1986 56.66141 1987 44.35488 1988 45.69241 1989 37.34144 1990 43.64633 1991 44.1342 1992 44.84726 1993 54.91924 1994 63.34159 1995 56.17137 1996 60.82965 1997 82.14893 1998 83.373 1999 85.34512 2000 100 2001 97.38184 2002 101.87011 2003 106.35838 2004 112.36348 2005 116.21897 2006 126.01156 2007 136.50119 2008 157.80687 2009 131.45869 2010 152.98878 2011 180.49303 2012 181.54029 2013 186.7086 2014 179.2812 2015 186.49915 2016 181.41346