Year Index (2000=100) 1980 39.72619 1981 28.77311 1982 30.43123 1983 33.36931 1984 22.46648 1985 60.89972 1986 45.25156 1987 73.62251 1988 30.94348 1989 64.46748 1990 53.01824 1991 38.97711 1992 41.66725 1993 36.53697 1994 40.83593 1995 81.30291 1996 115.16 1997 126.38727 1998 94.82904 1999 104.07353 2000 100 2001 90.90909 2002 95.81818 2003 115.83636 2004 137.21818 2005 160.13636 2006 187.73636 2007 174.71818 2008 290.74545 2009 319.27273 2010 404.51818 2011 623.15455 2012 512.34545 2013 626.48182 2014 732.78182 2015 607.49091 2016 542.83636