Year Index (2000=100) 1980 131.09924 1981 145.09235 1982 95.78994 1983 59.18999 1984 48.45704 1985 35.4616 1986 26.04897 1987 29.94024 1988 31.46062 1989 36.61414 1990 57.32502 1991 61.55961 1992 64.90236 1993 54.71664 1994 54.99929 1995 64.49867 1996 78.27617 1997 78.28004 1998 50.03931 1999 65.42799 2000 100 2001 87.73056 2002 93.38811 2003 120.1878 2004 162.40285 2005 232.92603 2006 272.36054 2007 300.74744 2008 404.03469 2009 247.88178 2010 323.70884 2011 470.07592 2012 500.62617 2013 484.47727 2014 441.20318 2015 262.36435 2016 234.97931