Year Index (2000=100) 1980 24.05939 1981 26.93608 1982 28.34678 1983 29.97457 1984 35.85804 1985 35.57844 1986 41.07095 1987 55.05429 1988 59.10155 1989 64.52374 1990 66.78992 1991 66.32212 1992 70.13649 1993 70.55522 1994 73.51716 1995 78.65301 1996 78.61363 1997 84.60024 1998 84.32454 1999 86.64829 2000 100 2001 90.58685 2002 92.79244 2003 101.65419 2004 110.75226 2005 97.51871 2006 100.71997 2007 100.14455 2008 78.66916 2009 37.84963 2010 34.25735 2011 34.24364 2012 40.22489 2013 44.8323 2014 48.89181 2015 52.73746 2016 49.49358