Year 2004-2006 = 100 1961 33.54 1962 34.81 1963 37.35 1964 36.05 1965 35.1 1966 41.14 1967 44.53 1968 43.33 1969 45 1970 51.26 1971 51.27 1972 55.71 1973 54.42 1974 58.67 1975 59.91 1976 61.81 1977 59.08 1978 66.75 1979 66.5 1980 74.93 1981 79.7 1982 79.97 1983 80.7 1984 84.18 1985 86.15 1986 93.83 1987 92.18 1988 89.72 1989 89.77 1990 91.12 1991 94.03 1992 93.79 1993 88.39 1994 89.08 1995 82.6 1996 86.73 1997 85.08 1998 84.45 1999 89.8 2000 86.1 2001 84.49 2002 94.49 2003 95.12 2004 96.64 2005 102.67 2006 100.69 2007 99.16 2008 100.8 2009 102.17 2010 106.24 2011 109.03 2012 111.47 2013 113.63 2014 114.03 2015 114.25 2016 113.83